Losing power was only the beginning, now one couple must work together to survive James and Marla Weller are preparing for a relaxing weekend, when an unexpected blackout spreads far beyond their St. Louis suburb and starts a devastating chain reaction. But the disabled power grid was only the beginning of a national nightmare as their vehicles and cell phones won’t function either. A series of building explosions rock downtown, leading to a mandatory evacuation. Amid the chaos, the young couple must make a decision on where to go. A possible solution emerges when a self-proclaimed survivalist offers them refuge in his remote cabin far from the city and away from the chaos. But James and Marla soon discover that survival isn’t as clear as they think, and that escape can lead to dangers all its own.