Mark and Melissa have been in an unhappy marriage for some time now. A suburban couple with no children, living in the same place for ten years who don't know each other let alone their neighbors. On his way home from work the radio goes dead. Mark comes home to find Melissa in the dark. There's no water or power. A blackout has occurred they assume only to find out it's a cyber attack that has swept the nation. Quickly things escalate as they start to meet their neighbors and find themselves in a struggle for survival as their own demons start to come out. Being in the dark has never been so enlightening.