In the remote resort of Fjällbacka the body of a little girl is found in a fisherman's net. But the post-mortem reveals that this is no accidental drowning. Local detective Patrik Hedström has just become a father. It is his grim task to discover who could be behind the methodical murder of a child both he and his partner, Erica, knew well. He knows the solution lies with finding the reason for such a terrible crime.