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.

Vain, middle-aged actress Biwako is placed in witness protection while authorities investigate the brutal murder she witnessed. Under the watch of two dedicated cops, Biwako struggles to maintain her career, her public image, and her personal life as she prepares for her new role on the witness stand.