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 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.

Ystad is experiencing a rapid increase in high profile robberies against armored transports. Where cars are set on fire, highways are blocked and large sums of money disappears. Isabel and Pontus, the trainee police officers, happens to be in the right place e at the right time and enter into a high speed Car chase that ends with Pontus benefiting hostage.