A writer moves into a Malibu beach house, and comes up against the ghost of an actress who supposedly had committed suicide there 30 years previously, but had been murdered by her boyfriend. The ghost asks the writer's help in proving her boyfriend the killer.\
Orphaned brothers Kutchek and Gore are adopted by a tribe led by Canary the owner of a powerful jewel. The evil Kadar wants both Canary and the jewel. Attacking the tribe he kidnaps Canary but the stone eludes him. The brothers are taken to be trained as gladiators and years later have grown to be VERY big. They escape and set off on a quest to find the jewel and rescue Canary.
Two mildly retarded truckers hired to transport toxic waste across the country get caught up with a teen genius who stows away on their truck.
An evil business executive (played by George Lazenby), is releasing dangerous toxins and the Barbarian Brothers set out to stop his evil work.