Cassandra Clare (2020)
Genre
Fantasy / Historical Fiction / Young Adult / Romance
Reading Time
12-15 hours
Key Themes
See below
Sign in to track this book
In Edwardian London, a demon-hunting heiress secretly loves her best friend while navigating a glittering supernatural society and battling an unstoppable demonic plague. This forces them and their companions to confront their intertwined dark legacies and the brutal cost of heroism.
Cordelia Carstairs, her brother Alastair, and their mother Sona arrive in London from Persia. Their father, Elias Carstairs, has been accused of a serious crime, and the family faces ruin. Sona wants Cordelia to marry a wealthy and influential Shadowhunter to restore their family's honor and financial stability. Cordelia, however, secretly wants a heroic life rather than a conventional marriage. They stay at the London Institute, where Cordelia reunites with her childhood friends, James Herondale and his sister Lucie, as well as their cousin Matthew Fairchild and friend Thomas Lightwood. Cordelia immediately feels her unrequited love for James, who is engaged to Grace Blackthorn.
At a glamorous ball, Cordelia, James, Lucie, Matthew, and Thomas, along with Christopher Lightwood and Anna Lightwood, are caught in a demon attack. These demons are unlike any seen before; they move in daylight, have an unusual physical form, and inflict a deadly, incurable poison. Several Shadowhunters are killed or gravely injured, including Christopher Lightwood, who dies from the poison. The attack causes chaos and fear in the London Shadowhunter community, as their usual demon-hunting methods fail against this new threat. The Clave then quarantines London, isolating its Shadowhunter inhabitants.
James Herondale has a unique power from his demon ancestry: he can turn into a shadow creature. This power is uncontrollable and often triggers during extreme stress or emotion, leaving him vulnerable and confused. Grace Blackthorn, his fiancée, seems to be the only one who can bring him back from this shadow state. James loves Grace deeply, believing she is a source of light in his often-dark life. However, Cordelia and Lucie suspect Grace's true intentions and her unusual influence over James, noticing her cold demeanor and how she manipulates situations to keep James close.
The young Shadowhunters – James, Cordelia, Matthew, Thomas, Lucie, and Anna – call themselves the 'Merry Thieves' and decide to investigate the mysterious daylight demons. They believe the Clave is not acting quickly enough. They research ancient texts, interview survivors, and patrol the quarantined city, searching for a pattern or weakness in the demons. Their bond grows as they face danger together, and Cordelia finds herself increasingly drawn into James's world, despite trying to hide her feelings for him and his engagement to Grace.
Lucie Herondale, James's sister, can see and talk to ghosts. She befriends the ghost of Jesse Blackthorn, Grace's brother, who died young and is trapped in the London Institute. Lucie wants to bring Jesse back to life, using her growing necromantic abilities and researching ancient spells. Lucie also loves writing and dreams of becoming a published author. She begins writing a novel, drawing inspiration from her life and the fantastical elements around her, often discussing her plots with Jesse, who becomes her confidant.
As the Merry Thieves investigate, they discover a connection between the new demons and events from the previous generation, specifically the Infernal Devices. They learn that the demons are a mutated form of the automatons created by Mortmain, infused with a new, dark magic. This brings back painful memories for James's parents, Tessa Gray and Will Herondale, who helped defeat Mortmain. The young Shadowhunters realize they face a threat that echoes a dark chapter in their families' history, suggesting an even greater, hidden enemy.
During a dangerous encounter with the new demons, Cordelia discovers that her family's ancestral blade, Cortana, glows with a powerful light when she uses it. This light repels the demons and gives her enhanced strength and agility, making her a formidable warrior. This unexpected power strengthens her resolve to be a hero. James's shadow powers also evolve, allowing him glimpses of the future and a stronger connection to the demon blood within him, a legacy from his grandfather, the demon Lilith.
To save James from a binding magical contract with Grace Blackthorn, which would force him to abandon his friends and family, Cordelia agrees to a marriage of convenience. The contract states that if James marries someone else, Grace will be freed from a terrible fate. This decision breaks Cordelia's heart, as she loves James deeply but knows his heart belongs to Grace. James, feeling immense guilt and obligation, agrees to the arrangement, believing it is the only way to save Grace and protect his loved ones. Their engagement is public, creating a facade of love while both deal with their true feelings and sacrifices.
The Merry Thieves eventually uncover the truth about Grace Blackthorn's motives. They discover that Grace and Jesse are being manipulated by their mother, Tatiana Blackthorn, who seeks revenge against the Herondale and Lightwood families for past wrongs. Tatiana has been using Grace to control James, exploiting his love and sense of duty. Grace, though seemingly cold, is conflicted and driven by a desperate desire to protect her brother Jesse from their mother's anger. This revelation shocks James, forcing him to confront the reality of his relationship with Grace and the extent of Tatiana's malice.
The Merry Thieves, with help from Tessa and Will, identify the true mastermind behind the new demon attacks: Belial, a powerful Greater Demon and James's paternal great-grandfather. Belial is manipulating Tatiana Blackthorn and orchestrating the attacks to gain influence in the mundane world and over his descendants, particularly James. The final confrontation happens in a dramatic battle where the young Shadowhunters, united and using their unique abilities, fight Belial's forces. Cordelia's Cortana glows brightly, James's shadow powers are unleashed, and Lucie's necromancy proves important in the fight.
During the climax, Lucie, using her necromantic powers and a desperate plea, tries to fully revive Jesse Blackthorn. Her efforts are partially successful, bringing Jesse back to a physical form, though his future is uncertain. Grace, seeing her brother's fragile state and Lucie's deep care, finally chooses to betray her mother, Tatiana, and side with the Herondales and their allies. She reveals important information about Belial's plans and helps the Merry Thieves in their final stand, showing a flicker of loyalty to James and his friends over her mother's vengeful agenda.
The Shadowhunters repel Belial's immediate threat, and London is declared safe, though the city shows the scars of the attacks. The Clave acknowledges the heroism of the young Shadowhunters, but the personal lives of the Merry Thieves are unsettled. James and Cordelia's marriage of convenience continues, creating a poignant distance between them, especially as James still has feelings for Grace, even after discovering her manipulation. Lucie deals with Jesse's partial revival, and Alastair Carstairs continues to face judgment. The ending leaves many questions unanswered, hinting at future conflicts and Belial's deeper plans.
The Protagonist
Cordelia transforms from a hopeful but reserved young woman into a courageous hero who embraces her unique powers and makes significant personal sacrifices for those she loves.
The Protagonist
James begins as a young man controlled by his powers and a manipulative relationship, but through facing danger and difficult truths, he starts to understand his true strength and the nature of genuine love.
The Supporting
Lucie develops her unique powers and writing talents, learning to navigate the complexities of life and death while pursuing her passion and loyalty to her friends.
The Supporting
Matthew struggles with his internal demons and guilt, gradually revealing the depth of his pain while remaining a steadfast friend and protector.
The Supporting
Thomas navigates his personal feelings and the dangers of demon hunting, consistently demonstrating his unwavering kindness and loyalty.
The Antagonist/Supporting
Grace begins as a seemingly villainous figure manipulating James, but her arc reveals her as a victim of her mother's schemes, eventually leading to a choice of loyalty.
The Supporting
Alastair slowly reveals layers of vulnerability and past trauma beneath his arrogant facade, hinting at a more complex character.
The Supporting
Jesse's journey as a ghost is centered around Lucie's attempts to resurrect him, leading to a partial return to life and an uncertain future.
The Antagonist
Tatiana's arc solidifies her as a primary antagonist, driven by an unyielding thirst for revenge, culminating in her defeat but not her complete elimination.
The novel explores how the actions and choices of past generations deeply affect the current characters. James Herondale struggles with his demon lineage from his grandfather, Lilith, which appears as his shadow powers. Cordelia Carstairs carries the burden of her family's tarnished name and the pressure to restore their honor. The return of the automaton-like demons directly links to Mortmain's legacy from 'The Infernal Devices,' forcing the young Shadowhunters to confront a past they were not directly part of but are now responsible for. This theme shows how family history, both good and bad, shapes identity and destiny.
““We are all products of our parents, and our parents’ parents, and so on. There is no escaping that.””
A central theme is the pain and complexity of unrequited love, particularly Cordelia's deep feelings for James, who is engaged to Grace. Cordelia constantly sacrifices her own desires for James's well-being, leading to their marriage of convenience to save him from Grace's magical contract. Thomas Lightwood also has unrequited feelings for Alastair Carstairs, adding another layer to this theme. The characters' willingness to prioritize others' happiness and safety over their own romantic desires highlights the noble, yet heartbreaking, aspect of sacrifice in love. It explores whether love can truly be selfless.
““Love, she thought, was like a great and terrible beast. It devoured you, and then it left you hollow.””
Many characters deal with their sense of self. James struggles with his shadow powers and demon heritage, fearing what it makes him and whether he can truly be good. Matthew Fairchild hides his deep guilt and pain behind a facade of wit and charm, struggling to accept himself after a past tragedy. Lucie Herondale embraces her unique ability to communicate with ghosts, finding her own path despite it being unusual for a Shadowhunter. The characters are challenged to accept their flaws, unique abilities, and true feelings, rather than conforming to external expectations or hiding from their pasts.
““There is nothing wrong with being different. It is only wrong to pretend to be someone you are not.””
The novel redefines heroism beyond simply killing demons. It questions what it truly means to be a hero in a world where threats are changing and personal sacrifices are constantly demanded. Cordelia wants to be a hero and proves her bravery, but her heroic act of marrying James is a deeply personal sacrifice, not a glorious battle. The Merry Thieves act heroically by taking initiative when the Clave is paralyzed by fear, showing that heroism often comes from unexpected places and requires moral courage as much as physical strength. It is about protecting others, even at great personal cost.
““Being a hero isn’t about being fearless. It’s about facing your fears, and doing what’s right anyway.””
A character's inherent, often dangerous, ability that they struggle to master.
This device is primarily embodied by James Herondale's shadow powers, inherited from his demon ancestry. His ability to turn into a shadow creature is powerful but uncontrollable, often manifesting during moments of emotional distress. This power acts as both a source of fear and a potential weapon, complicating his identity and relationships. It also serves as a direct link to the overarching antagonist, Belial, and his demonic heritage, hinting at a greater destiny or curse. The struggle to control it is a major internal conflict for James and a key driver of the plot.
An object with unique properties crucial to the plot or a character's abilities.
Cortana, Cordelia Carstairs's ancestral blade, serves as a significant magical artifact. Initially appearing as a normal (albeit beautiful) Shadowhunter weapon, it reveals a unique ability to glow and empower Cordelia during combat against the new demons. This transformation elevates Cordelia's status as a warrior and provides a crucial advantage against the seemingly invincible foes. It also hints at a deeper, possibly magical, lineage within the Carstairs family, suggesting that Cordelia's heroism is not just born of will but also of an ancient, inherent power linked to her family's past.
A romantic bond formed out of necessity rather than true affection, often hiding deeper feelings.
This device is central to the romantic tension and emotional conflict of the story. James Herondale is initially engaged to Grace Blackthorn, a relationship driven by manipulation and a magical contract rather than genuine love on Grace's part. Later, Cordelia Carstairs and James enter a marriage of convenience to free James from Grace's binding contract. This arrangement creates a poignant and painful dynamic, as Cordelia harbors deep, unrequited love for James, who is still emotionally entangled with Grace. It heightens the stakes for their personal feelings and creates a public facade that conceals private heartbreak.
A new, deadly affliction that threatens the population and drives the plot.
The mysterious poison inflicted by the new daylight demons is a critical plot device. It is incurable and swiftly fatal, causing widespread panic and leading to the quarantine of London. This illness immediately establishes the unprecedented nature of the threat and raises the stakes, as traditional Shadowhunter methods are ineffective. It forces the young Shadowhunters to think outside the box and drives their investigation, creating a sense of urgency and highlighting the vulnerability of even powerful warriors, emphasizing that the enemy is unlike anything they have faced before.
““Love isn't a choice, not for most of us. You fall, and you hope that the person you're falling for is falling too. And if they're not, then you're just left to pick up the pieces.””
— Cordelia reflects on the nature of love and unrequited feelings.
““There is nothing more dangerous than a man who knows he deserves better.””
— Lucie ponders the motivations and potential for danger in someone who feels wronged.
““Sometimes, to find your way, you have to get a little lost.””
— A character offers advice about self-discovery and navigating life's challenges.
““We are not meant to be alone. Even the most solitary among us crave connection, a hand to hold in the dark.””
— A reflection on human need for companionship and connection.
““The past is a stubborn thing. It clings to you, no matter how far you try to run.””
— A character acknowledges the inescapable influence of history and past events.
““Courage is not the absence of fear, but rather the judgment that something else is more important than fear.””
— A character defines true courage in the face of danger.
““There are many kinds of strength. Some are visible, like a warrior's blade. Others are hidden, like a quiet resolve.””
— A discussion about different forms of strength, both physical and internal.
““The greatest lies are the ones we tell ourselves, about who we are and what we deserve.””
— A character reflects on self-deception and its impact on one's life.
““Hope is a dangerous thing, sometimes. It can keep you going when you should stop, or blind you to what's really there.””
— A cautious perspective on the double-edged nature of hope.
““Family is not always blood. It's the people who stand by you, who fight for you, when no one else will.””
— A character expresses a broader definition of family beyond biological ties.
““Sometimes the bravest thing you can do is admit you need help.””
— A character acknowledges the difficulty and importance of vulnerability.
““To truly live, you must be willing to risk everything.””
— A philosophical statement about the necessity of taking risks for a fulfilling life.
““The world is full of ghosts, if you know where to look. Not just the dead, but the echoes of what once was.””
— Lucie's fascination with the supernatural and the past.
““It's not about being perfect. It's about being true. True to yourself, true to your heart, true to the people you love.””
— A message about authenticity and the importance of genuine connection.
Ready to see how well you understood this book? Take our interactive quiz with 10 questions.
Cassandra Clare is a celebrated author of young adult fantasy, best known for her bestselling Shadowhunters series, which includes "City of Ashes" and "Clockwork Prince." Her intricate world-building and complex characters have captivated millions of readers worldwide. Clare's work often blends magical elements with relatable coming-of-age themes.
