A man called Mr Utterson & a man called Enfield take a walk together. They see a strange building which is next to a man called Dr Jekyll's house. Enfield explains to Mr Utterson about Jekyll's neighbour Mr Hyde who lives in the other house and how he trampled a young girl a few days ago. Mr Utterson becomes obsessed with Mr Hyde & has to find out more about him.
Mr Utterson meets Mr Hyde and after a strange conversation with him he becomes worried. He goes to warn Dr Jekyll but is told by the staff that Dr Jekyll has disappeared and ordered them to let Mr Hyde come and go as he pleases. A few weeks later at a dinner party Mr Utterson speaks to Dr Jekyll about his will and how Mr Hyde is responsible for it. Dr Jekyll says not to worry and assures him that it is all under control.
A man called Sir Davers Carew is tragically murdered by Mr Hyde with Dr Jekyll's cane. A woman witnesses this event happen and faints. Mr Utterson decides that Mr Hyde must pay for his actions. Dr Jekyll then becomes sick and tells everyone that Mr Hyde is gone. The police search for Hyde but can't find him. Dr Jekyll becomes happier that recovers from being sick.
Sir Danvers Carew
Dr Jekyll becomes depressed and refuses to see Mr Utterson. Utterson decides to visit one of Dr Jekyll's friends, Dr Lanyon but discovers that Lanyon is dying and can't talk about Dr Jekyll. Lanyon dies and leaves Utterson a letter which should not be opened until Dr Jekyll dies.
Dr Jekyll's servant tells Mr Utterson to visit Dr Jekyll. Utterson goes to his house and hears strange noises coming from his laboratory. A man called Poole tells Utterson that Jekyll hasn't come out of the lab for several days. Dr Jekyll has kept telling Poole to get him chemicals but all the one's he receives are not pure enough.
Mr Utterson and Poole break down the lab door. On the floor is Mr Hyde wearing Dr Jekyll's clothes and he is holding a chemical bottle. On his desk is a copy of Jekyll's will with Mr Utterson's name as the will benefactor instead of Hyde's. There is also a confession from Jekyll. Mr Utterson reads Dr Lanyon's letter which explains that Dr Jekyll is Mr Hyde ans had been peforming experiments to change back to his normal self.