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.

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 sniper is Ystad in horror and his victims are persons connected to a jewel heist. Wallander soon understand that there are links to a criminal organization. In a failed attempt to shoot the last two that are linked to each other's coup Wallander's colleague, Pontus into a race to the death. Wallander is now forced to conduct an investigation in which the shooter list has been expanded with a name - Pontus Young.

Kurt returns to work after a temporarly suspention. At the same time a girl disappeares which draws in the entire Ystad police and military looking frantically for her. When Kurt starts to work on the case, he begins to see similarities to a case he worked on ten years earlier, which hit him very personally.

A young woman arrives at the Ystad police station to report her mother missing. Soon afterward the mother is found near the family home. Ystad police end up in a situation that constantly stirs up new topics, while police suspect that the father is the culprit. On a personal level Martinsson becomes increasingly worried about Kurt as he is starting to get more and more problems with his memory.

Kurt Wallander has been diagnosed with Alzheimer's disease, but has a hard time accepting it and are therefore trying to keep it a secret for the surroundings. At the same time an arsonist who has served his sentence is freed from prison.