No power. No lights. A world in chaos...

When a Coronal Mass Ejection causes an EMP catastrophe that shuts down power worldwide, Melanie Pearson must embark on a dangerous journey to reunite with her husband and daughter. But to earn a spot in a secure fortress along the way, she agrees to help her boss find his own son first. And it quickly becomes clear she may have made a deal with the devil himself...

Meanwhile, her husband Mark vows to do whatever he can to protect their daughter Shona. There's no way to turn the power back on, and their home town of Knoxville is quickly descending into chaos. His only goal is to find a way to get his family to safety.

As they struggle to come together, this fractured family must face off against a society gone mad. And when even greater tragedy strikes, they will need to find a new way to survive. But what is the cost of survival in a world on the brink of collapse?