Three men, the skilled ninja Ryuichi Koga, the deadly assassin and former drug detective Takeshi Hayato, and the criminal mastermind Ichiro Sakura work together to take out an infamous drug dealer.

When both a priceless jewel and the daughter of a rich heiress are stolen by a master criminal, Koga and his gang are hired to retrieve both. But a double-cross leads to a risky high-security bank heist and loads of martial arts mayhem.