The dead couple Olof and Carolina Wachman are found murdered in their magnificent estate. The investigation finds that she has been tortured and raped in front of her husband before they were both killed. A death that must have been a relief after the torture they both went through.

Kurt Wallanders daughter Linda and DI Stefan Lindman now have to show that they are as good a pair of investigators as Kurt Wallander himself.

Slowly but surely we see that the murder is about revenge, a revenge that can be traced back 20 years.

Kurt and his men tries to find the connection between a horrible murder taken place in Ystad and the kidnapping of the daugher of a memeber of the police force. It also seems someone has infiltrated the police and controls every move the police make.

Carina Olsson provides the Malmo police information on drug deals comitted at her restaurant. She does this after being promissed anonymity for the Police. 2 days later Carina is found shot. The execution is witnesed by Carina's 7 year old daughter Cleo. Cleo manages to escape and is in hospital in a state off shock.

The murder happens on the ourscirts of Ystad, and is thus asigned to Kurt Walander and his collegaues. With the connections to Malmo the Ystad polie recieves help from Frank Bork (Malmo Police). For PSI Stefan Lindman, who allready displayed signs of mental instability, working with Frank Borkg leads to a round trip to hell. Frank teaches Stefan what it means to stand up for your collegueas, no matter what.

Eleven year old Johannes is found dead in a crevice. The postmortem shows that the boy has been sexually abused and beaten to death. Detectiv Stefan Lindman is a member of the same shooting club as the victims father and they are also friends. Therefore he becomes the one that has to tell the father what has happened to his son (Johannes). When the father finally understands what has happened he demands that Stefan personally gets the one responsible. Stefan is since a previous case being accused for abuse, because the internal investigation Stefan has to go on paid vacation, and he is not allowed to continue his investigation. But because of personal issues he continues the investigation anyway. He has a dark secret, a secret that has the answer to why he came to Ysta in the first place.