While on holiday in Montana, Hope meets local boy Cal Crow, a ranch hand. Caught in a freak accident, the two of them take shelter in a mountain cabin where Hope makes a strange discovery.
More than a 100 years earlier, another English girl met a similar fate. Her rescuer: a horse trader called Nate. In this wild place, both girls learn what it means to survive and to fall in love, neither knowing that their fates are intimately entwined.