An earthquake in the Salton Sea unleashes a horde of prehistoric mollusk monsters. Discovering the creatures, a Naval officer and several scientists attempt to stop the monsters, but they escape into the canal system of the California’s Imperial Valley and terrorize the populace.
Desperate for companionship on a post apocalyptic Halloween night, the Last Girl on Earth gets more than she bargained for, when something far more sinister arrives on her doorstep.
A narcotics officer faces a personal crisis when his teenage daughter becomes addicted to drugs. After trying various approaches to help her, he leaves law enforcement to create a women's recovery center.