Stacey Ruth Castor weathered the storm of her first husband's death and managed to find love again with her boss, David. But when David is discovered dead of an apparent suicide, the police suspect some foul play, as David's death mimics that of Stacey's first husband, Michael Wallace, who died in 2000.

A young idealist, Ethan, is left searching for his family while fighting the infected, Med-Ex militia and bloodthirsty marauders, and the ghosts of his past.