Bonnie, a girl who can understand animals, is cast out by her greedy aunt Trish as a banshee. Kind Hazel saves her, and the Monroe family takes her in despite poverty. Using her gift, Bonnie finds pre-war canned food, exposes a hen’s secret, and helps the family survive. She later rescues a wounded sheepdog, befriends doctor Silas, and gains radiation gear. Trish keeps sabotaging them, but Bonnie foils her with birds, retrieves spirit spring water, and clears Adrian’s name. Silas takes Bonnie north to study