Jay is a master of kung fu, but also a do-not, who lives into the day with his dumbling friend. He grew up with his uncle, who taught him in martial arts. Whenever the opportunity arises, Jay takes the chance to demonstrate these arts. He gets plenty of opportunity when the Ninja Jin-wu arrives from Japan. This burdens Jay's uncle the deadly betrayal of his father and therefore seeks him for life. A constant cat and mouse game burns between the two. In addition, Jay also has a martial artist whose vengeful father is supposedly impossible to defeat by him...