China, the early 1930's: martial arts master Wen Biao discovers that his brother has been using their security company for illegal activities. A confrontation between the brothers leaves Web Biao missing and presumed dead.
A businessman and his sister-in-law are targeted for assassination by a band of evil ninjas and their vicious leader (Yasuaki Kurata). The ninjas are committing bizarre murders all over the city, and the police can't seem to pick up their trail -- so they call in ninja hunter and Kendo master Mr....
