The brother and fiancee of a dead policeman infiltrate a female-led biker gang to uncover his murderer.

Griffin escapes from jail and teams up with two local thugs to invade Cuba. However, they're soon captured by a Castro look-alike and receive sub-human treatment. But Griffin hatches a plan- will it be enough to bring peace to Cuba?

A refugee Soviet scientist arrives at a desert airport carrying secret documents, but is attacked by a pair of KGB assassins and escapes into the desert, where he comes in range of an American nuclear test and is transformed into a mindless killing beast.