A group of martial arts students are en route to an island that supposedly is home to the ghosts of martial artists who have lost their honor. A Hitler lookalike and his gang are running a female slavery operation on the island as well. Soon, the two groups meet and all sorts of crazy things happen which include cannibal monks, piranhas, zombies, and more!

Left for dead in Vietnam, Lieutenant Cotter became a guinea pig for KGB baddie Mitovitch. Implanted with a mind control microchip, he is turned into a mindless killer. His colleague Lieutenant Sanders goes looking for him in Cambodia, then in El Salvador, where they kill pretty much everyone they meet.