Martial arts star Donnie Yen serves as producer, director and leading man of this stylish Hong Kong crime drama. Cat is a killer for hire who is eager to leave the business, but agrees to one last hit to get even with a former friend who turned on him when they were both police officers, forcing Cat into a life of crime. Meanwhile, Cat discovers Carrie, a female cop, has been put on his trail, and he kidnaps her -- only to find himself falling in love with her.