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

Acting

Mr. ABCD

Walter
March 31, 1983

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

Acting

Mr. ABCD

Walter

