In Hong Kong, Circa 1940s, World War II, private detective Yoyo and friend Inspector Teddy Robin join a resistance group during the Japanese occupation. They aim to steal back the formula to the atomic bomb from a war traitor and transfer it to an American before the formula ends up in the Japanese emperor's hands.
Yoyo
Inspector Teddy Robin
Bridget
Fat Chicken - Commissioner of Police
Dumplings
Japanese Ambassador
The American
Sam/Joe
Yoyo's secretary
Fixes Yoyo's telephone
Police Commissioner's guard
Police Commissioner's guard
Singing Japanese guard
Mr. ABCD
Walter
Japanese soldier in Intro
Japanese soldier in Intro (cameo)
Japanese soldier in Intro (cameo)
Police commissioner's servant
Husband beating wife on the beach
Yoyo's former girlfriend
Ice Cream seller
Police officer
Woman throwing water from window
Party guest
Director
Writer
Producer