Chapters 5-8: The Unravelling
Chapters 5–6: After the Murder
After the Carew murder, Jekyll appears to reform. He resumes his charitable work, becomes sociable, and seems healthier. In Chapter 6 he is at peace for more than two months: he avoids the potion and Hyde disappears. But Stevenson shows this apparent recovery is fragile. Jekyll has not conquered Hyde — he has simply stopped taking the drug. The desire remains. In his final statement Jekyll describes the temptation as “the animal within me licking the chops of memory.” This metaphor is central: Hyde is not a separate creature but an appetite — a hunger that grows stronger the longer it is denied.
Then, sitting on a park bench in January — an event he recounts in his final statement — Jekyll transforms into Hyde without the potion. This is the novella’s most terrifying turning point. The transformation has become involuntary. Jekyll can no longer choose when to be Hyde — Hyde is asserting independence, growing stronger each time he is released. The power balance has shifted: “The powers of Hyde seemed to have grown with the sickliness of Jekyll.”
The involuntary transformation marks the point of no return. Jekyll can no longer control when Hyde appears. Stevenson uses this to argue that evil, once indulged, grows stronger: “The powers of Hyde seemed to have grown with the sickliness of Jekyll.” The relationship between Jekyll and Hyde has reversed — Hyde is now the dominant personality, and Jekyll is the one fighting for survival.
Chapter 6: Lanyon’s Decline
Dr Lanyon, once a healthy and jovial man, suddenly falls ill and dies within weeks. His decline is caused by something he has witnessed but refuses to discuss: “I have had a shock… and I shall never recover.” Stevenson withholds the details until Lanyon’s letter in Chapter 9, building suspense through gaps in information. Lanyon represents the rational, conventional Victorian mind: he cannot process what he has seen because it violates everything he believes about science and human nature.
Utterson and Enfield see Jekyll at an upstairs window. He begins to talk to them, then a look of “abject terror and despair” crosses his face and he slams the window shut. The two men walk away in horrified silence: “They were both pale; and there was an answering horror in their eyes.” Stevenson does not explain what happened — was Jekyll transforming? The reader is left to imagine, which is more disturbing than any explicit description.
The window scene is significant because it is the only time other characters witness Jekyll’s transformation (or near-transformation) in real time. The “answering horror” in Utterson and Enfield’s eyes suggests they have glimpsed something they cannot consciously acknowledge. Stevenson uses their silence as a metaphor for Victorian society’s refusal to confront the truths it already half-knows.
Chapter 8: The Last Night
Jekyll’s servant Poole arrives at Utterson’s door in a state of terror. He believes his master has been murdered because the voice coming from the locked laboratory sounds different. At the door Utterson hears it and cries, “Ah, that’s not Jekyll’s voice—it’s Hyde’s!” He and Poole break down the door and find Hyde’s body, dead by suicide, still twitching, with a phial of poison in his hand. Jekyll is nowhere to be found. The suspense reaches its peak: where is Jekyll? The answer comes only in the final two chapters, through Lanyon’s narrative and Jekyll’s full statement.
The locked door of the laboratory is the novella’s most important symbol. It separates the known from the unknown, the public from the private, the respectable from the terrible. Throughout the story, characters approach this door but stop short of breaking it open — just as Victorian society approached uncomfortable truths but refused to confront them. When Utterson finally breaks it down, the mystery is resolved, but the cost is total: Jekyll is gone, Lanyon is dead, and the truth destroys the illusion of respectable normality.
The scene also uses Gothic tension: the servants huddled in the hallway, the strange voice behind the door, Poole’s whispered fear. Stevenson combines detective fiction with Gothic horror, making the reader both investigator and terrified witness.
The locked laboratory door symbolises Victorian secrecy — the refusal to confront uncomfortable truths. Characters approach but do not open it. When Utterson finally breaks it down, he discovers that Jekyll and Hyde are one person — that the respectable doctor and the savage murderer cannot be separated. The truth, once exposed, destroys everything.