In 1918 congress passed Daylight Saving Time into law. They thought time was on their side. They were wrong. Dead wrong.
When the nation turns back the clocks everyone who died in the last hour comes back to 'life' - now blood-thirsty revenants who feed on the living.
A small band of survivors, led by Miriam Langley, a Red Cross volunteer, embarks on a terrifying odyssey to stop the disease from spreading and end the suffering of those tormented souls once and for all.