Private detective Mike Hammer takes on a case looking for Trinity Sinclair's father who has been missing for 15 years.

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.

A young man awakens from a four-year coma to hear that his once virginal high-school sweetheart has since become a centerfold in one of the world's most famous men's magazines. He and his sex-crazed best friend decide to take a cross-country road trip in order to crash a party at the magazine's legendary mansion headquarters and win back the girl.