At the height of Tang dynasty, a young man named Di Ren Jie went to the capital to take an imperial examination. During the test, he stopped an assassination attempt against Empress Wu's life. Seeing his bravery and quick thinking, the empress ordered him to investigate the incident.

Young Sherlock: The Mystery of the Manor House was a 8-episode television series about the youthful years of Sherlock Holmes. The show was produced by Granada Television and premiered on 31 October 1982. Although there was no televised sequel to this story, Gerald Frow penned a follow-up for Granada's Dragon Books. Young Sherlock: The Adventure at Ferryman's Creek went on sale in 1984.

Sherlock Holmes and Dr. Watson meet as boys in an English Boarding school. Holmes is known for his deductive ability even as a youth, amazing his classmates with his abilities. When they discover a plot to murder a series of British business men by an Egyptian cult, they move to stop it.