This is the story's the last chapter named Doctor Jekyll's confession. It is said about Doctor Jekyll have written a letter for Mr.Utterson. He said he had a good family, a large fortune, a strong healthy body and an excellent mind. He naturally hard-working, and soon got success. But he did not satisfy this. He had a mad thought that would be another person. He wanted a evil, wild and mad person.
So, he created a blending of drug. It might make him to chang a new preson. But he worried about this drug was not safe. At last, he determined to try it, because he wanted to be a new person very much. when He had drunk it, he felt very pain about his mind and body. A few minutes ago, he changed to a new person that was Mr. Hyde. Mr. Hyde was a evil, ice and bad person. But he was very happy about his change. So as time went by, he became less and less able to control Hyde. When he was Mr. Hyde, he had done many terrible things because of evil. And last, he wrote this letter to Mr. Utterson to expain what happened before, and confess. After this letter, he had killed himself.