As an American civilian truck driver working in Iraq, Paul Conroy's convoy is attacked by a group of Iraqi insurgents. Some time later, Paul awakes in a coffin with only a lighter, a cell phone, and his ever-growing anxiety. Faced with a dwindling oxygen supply and a dying battery, he must fight panic, despair, and delirium as he races against time to escape the claustrophobic death trap.

As an American civilian truck driver working in Iraq, Paul Conroy's convoy is attacked by a group of Iraqi insurgents. Some time later, Paul awakes in a coffin with only a lighter, a cell phone, and his ever-growing anxiety. Faced with a dwindling oxygen supply and a dying battery, he must fight panic, despair, and delirium as he races against time to escape the claustrophobic death trap.