Tracking a sadistic killer, detective Kurt Wallander follows a string of incidents -- attacks on domestic animals, ritualistic murders of humans -- with help from his daughter, Linda, a new member of the Ystad police force.

A man enters the bank with something resembling a bomb around his neck. He demands that money is transferred into an account, or he will blow up the bank. The man is known as the village idiot, and claims that Sitting Bull is his father. No one take the case to seriously until they find that the bomb is real. Is the village idiot acting on his own, or are there more people involved? A long and complicated investigation is started by Kurt Wallander and his colleagues.

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.

A blue car is parked by a side road in the beautiful landscape of Skåne in southern Sweden. A child sits alone without an adult in sight. The child's father has been reported as missing, while the mother is in a psychiatric institution, unresponsive and apathetic. Kurt Wallander's failing health sees Linda take the lead in the case. It will touch her deeply as she discovers that the child has been unscrupulously tricked, exploited and humiliated.

The national election is approaching, and the Ystad town square is plastered with election posters with local labour party candidate Kenneth Nillson, a politician fighting the fear of immigrants as his electoral focal point. He sees it as his duty to clean Skane's reputation as being racist. At the same time a train rolls into the train station in Gdansk, Poland. On the train the police find a African male with most of his face shoot away. As the man was murdered in Ystad, the starting point of the train journey this becomes a case for Kurt Wallander and the Ystad police. For Kurt Wallander the case takes an unexpected turn as the murder weapon has ties to a childhood friend.

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.

A horse breeder is found dead, and almost everything indicates that he has been kicked by his horse. But the post-mortem shows the opposite, the horse breeder had been hit to death and that's a case for Kurt Wallander. The neighbors confirm that he lived alone, but he had visits from a mysterious woman several times. Surprising evidence on the farm shows a whole new side of the horse breeder and somewhere, in the beautiful state of Skåne, there's a dark world that doesn't want to see the daylight.

An American woman is found murdered in Ystad. She has visited an internationally renowned photographer in Ystad, and her husband suspects her of infidelity. Kurt Wallander digs deeper into the woman’s background and her husband, as he believes that there is more to the case than meets the eye. The solution turns out to come from far outside of Sweden.

A lorry has been parked outside of Ystad for several days, and when PC Linda Wallander investigates the lorry she finds it full of dead people. The only survivor is a small child. The Dead have no ID's or documentation and the lorry is stolen. The police start a difficult case to try to find the people behind the crime.

A old man goes to his bank to cash in 20 million kr, with him is his 3 dogs. The man is found dead a few days later and so is his 3 dogs. The money is no where to be found and the police suspect his neighbour to be the murderer, but nothing is as its seems to be. A few days later the neighbour and his family are also found dead, and Wallander and his colleges have to be sharp to find out who the murderer is. The small town of Soldala is waiting for Wallander to find out why the old man and his 3 dogs and the old mans neighbor and his family must die. And where is the missing 20 mill. Kr is.

The Ystad Police finds a boat in Ystad harbour resembling a slaughter house. There is blood everywhere, but no bodies. Soon there after a dead woman’s body floats ashore. One of the clues in the investigation leads to Oskar Ung, an old love of Linda Wallander. Their previous relationship hinders Linda's work with the case, and Kurt demands that she leaves the investigation But that turns out to be easier said than done. Old love never rusts.

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.