In a future where Mars is terraformed and colonized by the best humanity has to offer, two very different college students wind up joining forces and sneak onboard a space shuttle to the red planet in order to be united with their significant others.
Kickboxing champion Matt Reeves witnesses the murder of his friend Johnny. While investigating the crime, he learns that a Mr. Negaal in South Africa has founded a new kickboxing association and does not leave international champions much of a chance. Johnny had to pay with his life when he did not want to join. Neegal seems to kill everybody who is in his way especially David Sloan from the previous Kickboxer films. Matt is on his own now, but suddenly finds an unexpected ally.