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.

An explosion in one of Ystad's power grids shuts down the electricity in the whole city. Wallander (Krister Henriksson), who is in the middle of a crayfish party at his newly bought house with his colleagues, are called in in the middle of the night. At the same time, the municipal commissioner of Ystad, who has just approved and inaugurated an exhibition showing pictures of Muhammed, the muslim prophet, at the city hall, is being murdered in his house. With less policemen than usual due to various reasons, Wallander and his men are having a hard time taking care of both cases. It gets even worse when several cars placed on various roads outside Ystad explodes, the security service (SäPo) are asking questions, and the police commisioner calles in the army to keep Ystad safe. As to make things even more complicated for Wallander's (From IMDB)

A wave of burglaries sweep through Ystad. A group of neighbours in the affected area decide to take matters into their own hands and start a neighbourhood watch. During one of their night shifts they spot a suspicious man and give him a serious beating.

The next day both the man and his car are missing. The Ystad police get contacted by a desperate Polish woman reporting her husband missing. The case is given low priority, but Wallander decides to take a closer look at the case and soon sees a potential solution as the clues lead him to a tghtly knit group of neighbours. The missing man’s body has still not been found, but Wallander finds a series of pictures of a dead woman on the missing man’s phone .....

A Russian concerto Cello player is the victim of a bomb attack after a performance in Ystad. The woman turns out to be a lead witness in a murder charge against a member of the Russian mafia, the son of one of their leaders, Leb Munchin. Wallander and his colleagues find themselves in the middle of a war against a powerful international opponent with ruthless methods. But Walalnder suspects that Leb Munchin’s motives aren’t about money and a quick profit, rather they relate to something much deeper. Eventually Walander stands eye to eye with an aged criminal who is ready to fight his last fight with all the means at his disposal.

A guest playing chorus of young women are successful at the premiere of a rural church outside Ystad. As a member, 18-year-old Miranda Dahno, disappear without trace from the school where the choir live in called the police soon. At first, suggesting that most of Miranda's absence voluntary - but soon found tracks that indicate the contrary. The exciting quest for both victim and perpetrator leads Kurt Wallander, police aspirant Isabell, and their colleagues against several persons who have been standing near Miranda

Arson is suspected when a house burns to the ground following a gas explosion and a man and a woman are found dead. Wallander and the Ystad police investigate and uncover an intricate web of lies, betrayal and secret love affairs.

Wallander has become a grandfather and is trying to seize the role as good as it goes, because he wants to be closer to his daughter Linda and her family. When Linda's father in law mysteriously disappears, Wallander is drawn into the case that takes him back in time to the Cold War and the submarine violations in the Stockholm archipelago. At the same time he's starting to suspect that something is not right with him...