On the day of the celebration of worldwide peace, there is a nuclear accident and people are turned into zombies. In Reno, a group of survivors are trapped inside a casino: Tom, his girlfriend Tori, the gay Jensen and the stranger Victor clean the place and stay inside with supplies for a long time. When Tom hears a transmission in the walkie talkie, he believes that help is coming and the use a searchlight to indicate their location. However, Tori suspects that the group under the leadership of Ramsey is not what they think they are. Would her feeling be accurate or is Tori paranoid?