Billy Louise has given up her childhood play and her schooling in order to run the ranch near the Wolverine River after her father dies in an accident. One winter she takes Ward, a young cowboy with mysterious past, to her ranch to work as hired man. After Ward shares his secret with Billy, strange events start to occur.

Bertha Muzzy Bower (1871-1940) was an American author who wrote novels and short stories about the American Old West. She is best known for her first novel "Chip of the Flying U" about Flying U Ranch and the "Happy Family" of cowboys who lived there. The novel rocketed Bower to fame, and she wrote an entire series of novels set at the Flying U Ranch. Several of Bower's novels were turned into films.