Lynn McBride has learned much since society collapsed in the face of nuclear war and the relentless spread of disease. As memories of her old life haunt her, she has been forced to forge ahead in the snow-covered Canadian Yukon, learning how to hunt and trap to survive.But her fragile existence is about to be shattered. Shadows of the world before have found her tiny community most prominently in the enigmatic figure of Jax, who sets in motion a chain of events that will force Lynn to fulfill a destiny she never imagined.