Cindy is an American FBI agent, who is currently in Hong Kong, seeking arch-criminal Kent Tong. In order to bring down Tong and his criminal organization, she teams up with local HK cops, David and Johnny.

Ninja Over the Great Wall takes place in the early nineteen-thirties when China was occupied by the Japanese imperial forces. Wa Chi Keung is a peasant who escaped the mass murder of his village by the Japanese. He joins his master in Bejing shortly before the old man's assassination by ninjas.

Chan is asked by a young, wealthy lady to take her sick brother to a particular doctor in order to be cured. To reach this doctor, Chan and a handful of travelling companions must pass through bandit-infested wild country. They meet and kung-fu-fight several gangs of thugs along the way.