Catching the souls of creatures and using them to change form is a biological right in a world of shifters. Unable to harness this gift has made Vex feel alone. When the city she lives in collapses around her, she scrambles to escape. With only a few survivors flanking her, Vex sets out to find safety at the next shifter sanctuary, hidden inside a mountain. As the largest city in the shifter world, it offers the protection they seek...