The first chapter is deductive research, the second chapter is case statement, the third chapter is seeking answers and solutions, the fourth chapter is bald man's story, the fifth chapter is the tragedy of Sakura's local Zhili Hotel, the sixth chapter is Sherlock Holmes' demonstration, the seventh chapter is the episode of wooden barrels, the eighth chapter is the detective team in Baker Street, the ninth chapter is the interruption of clues, the break of the chain, the end of the islanders, the twelfth chapter is the treasure of Emperor XI, and the twelfth chapter is the strange story of Jonathan Smuul.