A Secret Marriage and Royal Displeasure
King Cymbeline of Britain, a widower, had two sons, Guiderius and Arviragus, who were abducted as infants. His only remaining child, Imogen, secretly married Posthumus Leonatus, an orphaned gentleman Cymbeline raised and respected. This union angered Cymbeline, who wanted Imogen to marry Cloten, the crude son of his current wife, the Queen. Cymbeline banished Posthumus. The Queen, pretending kindness, offered Imogen a sleeping potion, calling it a restorative. Posthumus, heartbroken, left for Rome, while Imogen remained upset, enduring her father's anger and Cloten's unwanted attention.
A Wager of Chastity and Deceit
In Rome, Posthumus was among gentlemen discussing women's virtues. Iachimo, a cynical Italian nobleman, doubted Posthumus's faith in Imogen's chastity. He proposed a wager: he would go to Britain and try to seduce Imogen. If he succeeded, he would win a ring from Posthumus; if he failed, he would pay a large sum. Posthumus, sure of Imogen's virtue, accepted. Iachimo left for Britain, intending to win by any means.
Iachimo's Deception
Iachimo arrived in Britain and tried to charm Imogen, but she rejected him. Frustrated, Iachimo planned. He convinced Imogen to let him store a chest in her bedchamber overnight, saying it held valuable gifts for Caesar. During the night, Iachimo came out of the chest, observed the room, and watched Imogen sleep. He noted details like a mole on her breast and stole Posthumus's bracelet from her arm. He also described her bedchamber, intending to use these details as 'proof' of his supposed seduction to win the wager.
Posthumus's Rage and Orders
Iachimo returned to Rome and showed his false evidence to Posthumus: the stolen bracelet, details of Imogen's bedroom, and the mole on her breast. Posthumus, devastated and jealous, believed Iachimo's lies. Angry at what he saw as Imogen's betrayal, he sent a letter to his loyal servant Pisanio, ordering him to take Imogen to Milford Haven, murder her, and send him a bloody token as proof. Posthumus's love turned to hatred, driven by Iachimo's deception.
Pisanio's Compassion and Imogen's Escape
Pisanio, shocked by Posthumus's cruel order, took Imogen to Milford Haven. Unable to kill her, he revealed Posthumus's letter and Iachimo's deceit. Imogen, heartbroken but strong, decided to run away. Pisanio, out of loyalty, advised her to disguise herself as a boy and seek service with Lucius, the Roman general preparing to invade Britain. He gave her a box he thought contained restorative medicine from the Queen, unaware it held a powerful sleeping potion. Imogen, disguised as 'Fidele,' went into the wilderness.
Imogen Discovers Her Brothers
Lost and tired, Imogen (as Fidele) found a cave inhabited by Belarius, an exiled nobleman, and his two sons, Guiderius and Arviragus. Unknown to anyone, Guiderius and Arviragus were Cymbeline's lost sons, abducted by Belarius for revenge after his unjust banishment. Belarius raised them in the wilderness, teaching them hunting and survival. They welcomed 'Fidele,' charmed by her gentle nature. Imogen found comfort and a sense of family with these men, unaware of their true identities or her close family connection to them.
The Queen's Plot and Cloten's Pursuit
The Queen, believing Imogen was alive, continued her schemes, hoping to secure the throne for Cloten. She gave Pisanio a strong poison, disguised as medicine, which Pisanio gave to Imogen. Meanwhile, Cloten, still wanting Imogen and revenge for her rejection, learned of Posthumus's banishment and Imogen's departure for Milford Haven. He got a suit of Posthumus's clothes from Pisanio, intending to wear them, find Imogen, assault her, and then kill Posthumus while disguised as him.
Cloten's Demise and Imogen's Trance
Cloten, disguised in Posthumus's clothes, confronted Guiderius in the wilderness. Cloten insulted Guiderius and challenged him to a fight, boasting of his royal birth. Guiderius, unaware of Cloten's identity but angered by his arrogance, killed and decapitated him. Shortly after, Imogen, feeling unwell, took the sleeping potion Pisanio gave her, thinking it was a restorative. She fell into a deep, death-like trance. Belarius and her brothers found her seemingly lifeless body, placing it next to Cloten's headless corpse, mistakenly believing both were dead.
The Roman Invasion and Battle
Lucius, the Roman general, landed in Britain with his forces, including Iachimo. Posthumus, filled with regret for his hasty order against Imogen, joined the Roman army, intending to die in battle. However, his conscience troubled him, and he decided to fight for Britain. The battle began, with the British initially losing. During the chaos, Posthumus, disguised as a common soldier, fought bravely alongside Belarius, Guiderius, and Arviragus. Their combined courage turned the tide, leading to a British victory against the Romans, despite being outnumbered.
The Discovery of Identities and Jupiter's Vision
Imogen awoke from her trance beside Cloten's headless body, still wearing Posthumus's clothes. Believing it was Posthumus, she grieved deeply. The Roman general Lucius later found her, and impressed by 'Fidele's' spirit, took her into his service as a page. Meanwhile, Posthumus, having fought bravely for Britain, was captured by the British and imprisoned. In his cell, he had a vivid dream of his deceased family and the god Jupiter, who assured him that his troubles would end happily and all wrongs would be corrected.
The Grand Revelation and Reconciliation
In a final scene, all the main characters were brought before Cymbeline. Imogen, still disguised as Fidele, exposed Iachimo's treachery, leading to his confession. Posthumus, seeing this, rushed forward, revealing his identity and his regret. Cymbeline discovered that Belarius was innocent and that Guiderius and Arviragus were his lost sons. The Queen's evil was exposed, and she died. Amidst these revelations, Imogen and Posthumus were joyfully reunited, and Cymbeline reconciled with Belarius and his sons, restoring peace to the kingdom.
A Kingdom Restored and Forgiveness
With all truths revealed and the villains punished (the Queen dead, Cloten killed, Iachimo repentant), Cymbeline felt great joy and relief. He pardoned Belarius, Guiderius, and Arviragus, embracing his rediscovered sons. He forgave Posthumus and blessed his marriage to Imogen. Cymbeline also granted peace to the defeated Roman general Lucius, choosing to continue paying tribute to Rome, not as a conquered king, but as a voluntary act of friendship. The play ended with harmony, forgiveness, and the restoration of family and political order.