Frankenstein Chapter 20 Summary
Refusal and Flight
Victor destroys the unfinished female, confronts the Creature who vows revenge, then attempts to leave the island and is taken to Mr. Kirwin as a suspect in a local murder.

Summary
Victor sits in his laboratory at night, considering whether to finish the female companion he promised the Creature. He thinks through the possible consequences: the new being might be more malicious, could refuse the compact or desert the Creature, and might reproduce a race dangerous to humanity. Overcome by the moral weight of his pledge, Victor sees the Creature at the casement. The Creature reproaches him for breaking his promise and threatens dire revenge. In a fit of passion Victor tears the half-finished creature to pieces; the Creature departs vowing he will be with Victor on his wedding-night.
Victor spends the next hours agitated and sleepless, alternately longing for solitude and fearing the Creature’s threat. He prepares to leave the island to rejoin Henry Clerval, receiving letters urging him to go to Perth. He goes back to his workshop at dawn, gathers the remains of the destroyed female, and at night casts them into the sea. Sailing to avoid being seen, he falls asleep and is later driven far out by a northeasterly wind until he sights land. He reaches a small town in a debilitated state, attracting a suspicious crowd. A man seizes him and tells him he must go to Mr. Kirwin, the magistrate, to answer for the death of a gentleman found murdered nearby — an accusation that startles but does not yet convict him. Victor pauses before recounting the forthcoming calamity in full detail.
Key events
- Victor contemplates moral consequences of creating a female companion and decides against it.
- The Creature confronts Victor at the casement and threatens revenge, promising to be with him on his wedding-night.
- Victor destroys the half-finished female and resolves never to resume the work.
- Victor prepares to leave the island after receiving letters from Clerval and others.
- He disposes of the remains at sea, is driven off course, and lands exhausted at a coastal town.
- A crowd seizes Victor and leads him to Mr. Kirwin to answer for a nearby gentleman's murder.
Chapter 20 in pictures

Analysis
Chapter 20 crystallizes Victor’s moral crisis and marks a turning point in his relationship with his creation. Victor’s refusal to complete the female companion shifts the burden of responsibility from abstract reflection to active denial; he moves from remorseful creator to an agent deciding the fate of another sentient being. The scene at the casement emphasizes power reversals: the Creature declares, “You are my creator, but I am your master,” inverting creator/creation roles and intensifying themes of authority, accountability, and usurped control. The mutilation of the unfinished female physically manifests Victor’s attempt to negate his prior transgression, but the Creature’s vow — “I shall be with you on your wedding-night” — foreshadows imminent personal peril and links private domestic happiness to public catastrophe.
Narratively, the chapter alternates claustrophobic interior confrontation with wide seascapes, using the island and sea as liminal spaces where isolation, exile, and escape play out. The disposal of the remains and Victor’s drift at sea dramatize his attempt to erase culpability, yet his subsequent arrival in a suspicious town suggests that consequences follow him despite physical distance. The sudden legal jeopardy at chapter’s end pivots the plot from introspective moral debate to external social entanglement, preparing a collision between Victor’s personal guilt and society’s judgment. Symbolically, the moonlit laboratory, the shredded female, and the sea’s swallowing of evidence all underscore themes of concealment, denied responsibility, and the inescapability of created consequences.
Important quotes
“You are my creator, but I am your master; obey!”
The CreatureThe Creature confronts Victor after Victor destroys the unfinished female, asserting dominance and threatening obedience.
“I shall be with you on your wedding-night.”
The CreatureA short, ominous vow that promises personal vengeance and foreshadows a future attack tied to Victor's domestic life.
“I had before been moved by the sophisms of the being I had created; I had been struck senseless by his fiendish threats; but now, for the first time, the wickedness of my promise burst upon me;”
Victor FrankensteinVictor reflects on the moral implications of creating another being and recognizes the selfish wickedness of his previous promise.
Characters in Chapter 20
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