Four guys on a bachelor party get off the subway at a station that shut down in the 70’s and, after watching a transit cop get brutally murdered, find themselves running for their lives beneath the streets of NY.

A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.

A man steps out of a park fountain in Ho Chi Minh City with no recollection of who he is or where he came from. As he wanders through the city, piecing together clues to his past, he is relentlessly pursued by mysterious figures.

A crime syndicate places a hit on a billionaire’s daughter, making her the target of an elite assassin squad. A small band of down-and-out mercenaries protects her, fighting tooth and nail to stop the assassins from reaching their target.

While on a prison furlough, a lowly criminal evades his guards and returns to his old stomping ground to take revenge on the people who turned him into a cold blooded killer.