The stakes were clear after the Change - survive together, or die. Calay and Tess's love has kept them alive four years after the aliens decimated Earth. But when Calay finds herself fighting for her life and Tess missing, she hears death knocking. She only has one choice: she must find Tess.Reluctantly, Calay braves the new nightmares of a ravaged Pacific Northwest, alone. Thrust into the darkness, she is haunted by horrors beyond her imagination - alien executioners, a mysterious man whom she can't quite put her finger on, the rise of a sinister cult, and a shocking family secret that challenges everything she thinks she knows. As the lines between good and evil blur, Calay's desperation threatens to spill what's left of her humanity. As she's pulled deeper into the madness of a world that has become kill or be killed, Calay realizes she must deny her feral instincts and resist becoming a monster herself. That means confronting her demons as she stares down the barrel of a terrifying truth: she may actually be forever alone. Time is running out and she knows it. Her only hope is to become who she is truly meant to be and unify with the love of her life once and for all. But, at what cost?To survive, Calay must choose between the unthinkable: give up, or give 'em hell.