Wallander: One Step Behind

Detective story based on a novel by Henning Mankell. Ystad police are baffled when they find the bodies of three friends buried in the woods. Soon afterwards, their own Detective Svedberg is also found dead. First clues point to Svedberg having taken his own life, but soon enough Detective Kurt Wallander discovers a link between his former colleague, the three murder victims and a mysterious fourth person.