The mob is trying to strongarm local martial arts schools, forcing young Jason Stillwell and his family to move after his father is injured defending their dojo. With his father now rejecting violence, Jason is forced to train on his own to protect himself and his best friend from the members of a rival karate school.

Dr. Johnny Woo becomes involved in a global Mafia arms cartel when they kidnap his son Bobby. The cartel, made-up of underworld leaders from around the world, become aware that he stumbled onto valuable information on a computer disk he possesses. Louie and his Russian counterpart Vladimir Kruskev use every bit of their cunning to trap Johnny and retrieve the disk.

A lawyer's family is murdered by drug smugglers, and he is beaten and left for dead, but survives although in a coma. When he awakes he only has a partial memory of what happened. In order to find out the real story, he trains with a karate master and becomes a mysterious avenger known as "The Karate Man".

Jake Ray gives up his title after killing a man in the ring. When Jake goes to Manila to help an old friend, trouble awaits him! After fending off multiple attacks, Jake is finally captured and chained to a half a dozen martial arts champions. Taken to an island fortress, they are forced to battle chemically-stimulated killers in fights to the death. To win - and to live - it will take every ounce of strength and skill in their martial arts arsenal

Undercover cop Jo Alwood is out to avenge her sisters death at the hands of a serial killer.