As the world descends into chaos, one woman will do whatever it takes to save her daughter...

Shannon Grayson is a tough-as-nails long-haul truck driver. But her life is turned upside down when a massive EMP blast hits North America and demolishes the power grid.

Trapped in a sprawling retail super-center, Shannon barely escapes with her life and her truck. Now, as a bullet wound in her shoulder festers with an infection, Shannon is determined to find the daughter she lost contact with five years ago.

Kim Nakamura isn't waiting for her mother to rescue her. She's joined a militia, and she's helping bring order to a world gone mad. But power corrupts, and the militia has a great deal of power indeed. As Kim begins to question her choices, Shannon draws closer. And soon they will both be faced with a gut-wrenching decision.

The world before the EMP is gone?but some old problems linger, and they're about to get worse. Andre, Shannon's ruthless ex-husband, has escaped from prison. He's on the loose, rebuilding his violent motorcycle gang.

And he's coming for Shannon and Kim...