It's been more than twenty years since Olof Hagström left home. Returning to his family's house, he knows instantly that something is amiss. The front door key, hidden under a familiar stone, is still there. Inside, there's a panicked dog, a terrible stench, water pooling on the floor. Upstairs in the shower, the father Olaf has not seen or spoken to in decades is dead. For police detective Eira Sjödin, the investigation of this suspicious death...