All four films from the karate action series. In the first film, a United States team is put together to enter the world championships. In the second, one of the team is murdered by a well-known rival, so revenge is on the agenda for the rest of the team. In the third film, while on a visit to his sister, Tommy (Phillip Rhee) discovers that a gang of thugs are planning to ruin the peace of the local community where his sister is living. In the fourth film, Tommy must face deadly temptresses, high-tech gadgets and an array of explosive weaponry after Russian mobsters kidnap his daughter.