A young woman struggles to survive in a wintry landscape following a devastating nuclear war and pandemic. Society collapsed in the face of nuclear war and the relentless spread of disease. Lynn McBride has learned to survive in the snow-drifted Canadian Yukon, how to hunt and trap and slaughter. But shadows of the-world-before have found her tiny community-- most prominently in Jax, who brings with him dark secrets of the past... and sets in motion...