The end of the world became their second chance. Before the world fell, wolf shifter Luna lost the boy she loved. Ever since, she's never once been tempted to risk her heart. Until Knox walked into her life. A bear shifter with a dark past, Knox has sworn to never tell Luna who he is. The boy she lost is gone. In his place stands a man who must hide the monster he became to survive. When a conspiracy targets Luna, Knox will do anything to protect her. But with the world crumbling around them and tension rising between the bears and the wolves, can he save the woman he loves without exposing her to the darkness he holds inside?