After being abducted by extraterrestrials, Jean and her friends are committed to a top secret government-run mental institution to undergo tests and be brainwashed.

When an alien contagion is released aboard a spaceship transforming its victims into demonic flesh-eaters, the crew must either destroy the infected or join them.

A viral outbreak turns those who are infected into the walking dead. Soon, the undead are contained, being kept in a maximum security prison. However, those who contained the undead…