Thirteen year old China has made a terrible mistake, gun in hand. Nuclear war has had disastrous consequences on the world, and now the elite are after her found family. Briar is entrusted with a mission of revenge, and with the pressure of her powerful mother, she battles with the weight of her expectations. Raya is determined to protect her sisters, and she flees with the impulsive China, erratic Misha, and vulnerable Coyote over the dangerous ruins.