Two friends forced to spend the night in a ghost town find themselves hunted by a prehistoric predator.

In response to political pressure from Senator Lillian DeHaven, the U.S. Navy begins a program that would allow for the eventual integration of women into its combat services. The program begins with a single trial candidate, Lieutenant Jordan O'Neil, who is chosen specifically for her femininity. O'Neil enters the grueling Navy SEAL training program under the command of Master Chief John James Urgayle, who unfairly pushes O'Neil until her determination wins his respect.

Riding around on their motorbikes, a gang of tough women bikers are the only thing that stands between a crowd of zombies, which have been accidentally let out of their secure cave, and those still alive in the town.

Taking place the same night as Halloween (1978), Michael Myers' killing spree is not yet finished