The heiress to half of the Yakuza crime syndicate forges an uneasy alliance with an amnesiac stranger who believes an ancient sword binds their two fates. She must unleash war against the other half of the syndicate who wants her dea

An American businessman visiting Nagoya, Japan, meets a woman in a hotel bar. Returning to her room, 3 ninjas kill her and wound him, but he sees the ninja boss' face. Now, he's the prime target of a dangerous ninja cult.