A football star is accused of killing his girlfriend. The terrified football player cannot remember whether he killed his fiancee.
Asian private detective Khan calls on his intimate knowledge of the Oriental community to trail a mysterious swordsman, wearing the mask of a secret Chinese society, who has murdered a wealthy San Francisco manufacturer responsible for a fire that killed a number of Chinese workers.
Khan helps a former British intelligence agent. A long-standing debt to a former British Intelligence agent who once saved his life poses a stiff challenge to Khan as to how to beat the police to a solution of an elaborate $7-million diamond heist pulled off by a helicopter-flying gang.
A distraught father hires Khan to find the man who murdered his daughter. The old man believes it was an intern who cared for the girl.
A man commits murder to obtain a precious piece of jade reputed to bring bad luck to its owners.
A defector from a Chinese crime organization secretly arrives in San Francisco to attend his daughter's wedding.
Khan has only 24 hours to find an oil heiress who is being held for a huge ransom.