Twin Rivers is a snow-covered town cut off from the rest of the world, where police officer Tana Larsson is sent for seasonal work. Not far from town, on a mountain ridge, wild animals tore apart two young biologists. Tana and the pilot Cameron—whom she can’t stand—are forced to go to the scene of the tragedy. They are confronted with a terrifying sight. The murders look more like a bloody ritual, and the ridge itself has a bad reputation, where torn bodies have been found before. Soon strange things begin happening around Tana, and Cameron turns out to be the main suspect. Is it all due to her suspicion and personal dislike—or has Tana gotten closer to the truth? Then she’d better be careful, because for Twin Rivers this won’t be the last bloody hunt.