During a zombie outbreak, a recently bitten call-center employee working for a specialist 'Survivor Hotline' must help a young woman escape her infected mother and get to safety before he becomes one of the undead.

Two best friends, Aaron and Dom, are trying to find their way through life in college, each with their own difficulties and struggles. The film follows their changing relationship from an optimistic beginning to an uncertain end.

After his extraction from a desolate Earth is delayed indefinitely, a mute engineer comes to blows with his erratic A.I. companion as a conspiracy about the delay begins to unravel.