Two high school valley girls wake up one morning to find that everyone they know has turned to dust after Haley's Comet had passed. With the help of a truck driver, they discover the only people...

Two high school valley girls wake up one morning to find that everyone they know has turned to dust after Haley's Comet had passed. With the help of a truck driver, they discover the only people who survived were the ones who were protected by steel. People who weren't protected, turn in to deadly zombies. Fighting for their lives, they search for other survivors and battle zombies and a "think tank" of scientists who are trying to come up with a vaccine, at any cost, to save themselves.