After ninjas killed his family, Cho and his son Kane come to America to start a new life. He opens a doll shop but is unwittingly importing heroin in the dolls. When his friend betrays him, Cho must prepare for the ultimate battle.
Dopo aver appena completato l'addestramento in una scuola di ninja, un veterano dell'esercito si reca nelle Filippine e combatte un uomo avido che desidera la proprietà del suo amico di guerra.
On a remote Caribbean island, Army Ranger Joe Armstrong investigates the disappearance of several marines, which leads him to The Lion, a super-criminal who has kidnapped a local scientist and mass-produced an army of mutant Ninja warriors.