Their desire destroys her defenses. Their love gives him a reason to live. Three years of wandering the postapocalyptic wasteland has stripped Dr. Chris Welsh of humanity and hope. A harrowing loss drove him from his home, and he hasn't stopped moving since. Grim and sardonic, he's never found anything worth sticking around for--until now. Rosa Cortez runs Valle de Bravo, a haven of civilization amid the chaos of the Change. The last thing she needs...