James Wong stars as a late night talk show host who tells some of the dirtiest jokes and is insanely popular. His show is the biggest rated late night show on television. But all of his credit should go to his mistreated joke writer (Tommy Wong). Instead of paying him the money he truly deserves, James Wong short changes him every chance he can get. His personal life is a mess as well. He has a hot wife whom he can't satisfy and no friends.

As the 18th descendant of an extremely insignificant philosopher and inventor from ancient China, McDull is fortunate that he does not have a lot to live up to. However, his mother has higher aspirations for him and decides to send him to a martial arts school in China. Overweight and slow on his feet, McDull is the last of his classmates to run away when the headmaster needs to choose someone to represent the school in an international children's martial arts competition.