When a young girl's body is pulled out of the harbor in the small Swedish resort town of Fjallbacka, Det. Patrik Hedström becomes the lead investigator as he struggles with lazy and inept colleagues and an even remoter-than-usual boss. It's his grim task to discover who could be behind the murder of the child both he and his partner Erica knew well.

When a four-year-old girl disappears in the woods just outside Fjallbacka, the community is horror-struck. Thirty years ago, a young girl went missing from the exact same spot, and was later discovered, murdered. Back then, two teenage girls were found guilty of the killing. Could it really be a coincidence that one of the girls - now a world-famous actress - has just returned to Fjallbacka? Detective Patrik Hedstrom starts investigating, with his...