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)

6 year old Albin Landberg disappears without a trace from his kindergarten, and all of Ystad get involved in

the family's and the police's ever more desperate search for the boy. The clues lead Kurt Wallander and his colleagues to a convicted paedophile, newly released from prison after finishing serving his jail term. But also towards a series of revelations that turn out to be more horrible and complicated than any of them could ever imagine.

A motorcycle rider is found murdered by the police, and the trail leads them to a local MC Club. The Club uses other riders to smuggle drugs across the Öresund bridge. Wallander believes that players outside of the MC club are trying to claim the local drug market when all clues indicate that the victim was one of the couriers. Only when Wallander's colleague Isabel gets violently assaulted in her home does he understand the lengths they will go to to achieve their goal.

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 parish priest is found shot outside of a hostel in what apears to be a cold blooded execution. Wallander and his colleguaes are searching for clues while the priest, who is believed to be able to identify the perpetrator, is fighting for his life in hospital. The police pursues the crime as a crime of passion after discovering that he has had an extra marital affair. Bur where is the weapon, and which of the betrayed parties has the strongest motive?

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.

Isabelle and Pontus pass out as police officers but he is dismayed when she says she wants to put their affair on hold in order to travel.Her plans are cut short when she joins the investigation into the death of her friend from the gym,Therese,murdered by burglars. Therese's loser ex-boyfriend Fabian is in debt to very heavy people and offers them her jewels but is he the killer? Violent boxer and ex-con Patrik Lippowski,a former lover of Isabelle,who fled from him and changed her name from Rebecka to Isabelle to escape him,is another suspect,but he is murdered with Isabelle's gun. In finding the killer Pontus's love for Isabelle is put to the test whilst Wallander advises Katarina when her bitchy teen-aged daughter starts stealing.

A young woman is found dead in Ystad. When the police begin the case, they are told that the woman came from Moldova and that she worked as a prostitute in Sweden. Kurt, who leads the case, decides to seek out the woman's family in Moldova. When he returns to Sweden, he is involved in a car accident and takes a leave of absence from work. Around the same time Kurt finds where is forgetfulness comes from.