Rowan Callahan is a career-climbing attorney focused on her future. But vicious - and false - rumors are destroying her professional life. That all ceases to matter when a plane crashes in downtown Chicago and the entire city goes dark, and she realizes she's just witnessed the kick-off to the apocalypse. Armed with a backpack of supplies, she leaves Chicago, intent on resetting her skewed priorities and seeking shelter at the family farm with her father and sister. She's injured and running for her life when she stumbles directly in the crosshairs of two men who just might be her salvation ... and her greatest temptation.