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 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.