A deadly virus has spread across the globe. Contagion is everywhere, no one is safe, and no one can be trusted. Four friends race through the back roads of the American West on their way to a secluded utopian beach in the Gulf of Mexico where they could peacefully wait out the pandemic. Their plans take a grim turn when their car breaks down on an isolated road starting a chain of events that will seal their fates.

A young man raised by scientists on Mars returns to Earth to find his father.