A kickboxing champ and a reporter are searching for a missing man, but they turn up a series of illegal kickboxing matches run by an arms dealer.

When Dale Hartwell's best friend gets killed, he swears revenge on the bloodthirsty promoter and fighter who did it.

An alien sent to Earth to retrieve a drug that was sent here on a black disc has to fight her race's enemies, who are also on Earth to search for the drug.

After thief Alex Cardo gets caught while stealing an ancient katana in East Asia, he soon finds himself imprisoned and beaten up by the crowd there. One of the guards, Demon, feels upset by Alex appearance and tortures him as often as he gets the opportunity. Alex finds a friend and mentor in the jailhouse, Master Sun, who teaches him a superior fighting style called Iron Hand. When a 'best of the best kumite' is to take place, Demon gets an invitation. Now Master Sun and Alex need to find a way to let Alex take part in the kumite too.