Basque Country, Spain, 1843. A police constable arrives at a small village in Álava to investigate a mysterious blacksmith who lives alone deep in the woods.

Suddenly, Clara, Mónica’s daughter, falls into a deep coma. With Clara left to die, a mysterious man proposes Monica to make a pact: Clara will be saved if Mónica does…

Basque Country, Spain, 1843. A police constable arrives at a small village in Álava to investigate a mysterious blacksmith who lives alone deep in the woods.