When an EMP wipes out the power grid, Caroline Thompson is alone on the family ranch while her husband, Luke, and their son are stranded in Fort Worth as chaos erupts. With no power, no law, and danger at every turn, Caroline must fight her way into the collapsing city to find them.
But bringing her family back together is only the beginning. Looters are closing in, determined to take everything Caroline has fought to protect as their ranch turns into a battleground for survival.
