Instead of New York being a maximum-security prison, this time it's L.A., which through the agency of earthquakes has become an island of the damned. This penal colony is where the film's future rulers, something very like the Moral Majority, send those deemed guilty of "moral crimes." But something has gone wrong in this new moral order, because the President's daughter has absconded to L.A. with a detonation device, and Snake is commandeered to retrieve it.