When Mr. Ramberg dies, his children inherit a farm from the 17th century that is part of Gotland's historical heritage. They hire real estate agent Sanna Widding to sell the property, but soon after she visits the place, her lifeless body is found in a swamp. Anders Knutas investigates the case with Karin Jacobsson, while they try to define their relationship. They soon come to realize that others on the island are in danger and they all have something...