La laguna negra

In a village in the mountains of Urbión, brothers John and Martin, driven by greed and abetted by Candelas, Martin's wife, kill his father and sink the body in the Black Lagoon. His wife and one daughter of the victim does not know anything. In the village would get missing. However, from now weigh a curse on the land for which they have committed the crime, predicting each year misfortunes and bad harvests.