Three-year-old Adam disappears from his home on the island of Urust. The police conclude that the boy drowned, but his grief-stricken father doubts the investigation. Martin is confident it was not a tragic accident. Consumed by guilt, he tries to get to the bottom of the truth. He manages to establish a connection between the current tragedy and mysterious events that go back to the distant past. And perhaps the key to the solution lies in the life of Martin himself. After all, on an island where ancient superstitions reign and people are dependent on the whims of capricious elements, anything could happen...