A crippled loner's car breaks down near an isolated town inhabitated by several killers.

A gunrunner loses his cargo near a small coastal Sudanese town so he's stuck there. When a woman hires him to raid a sunken ship in the shark-infested waters, he sees a chance to compensate for his losses. He's not the only one.

Some bikers are hired by the CIA during the Vietnam War to rescue a captured agent from the clutches of the Red Chinese army. After a round of drinking, fighting, and whoring around, the cycle gang, led by Big Bill Smith, fix up their Yamahas with machine guns, grenades and armor plating, and storm the enemy camp.