When an American tourist is found murdered after visiting an internationally renowned photographer, her husband believes she was having an affair. Kurt Wallander decides to investigate.

A lone avenger arrives in a crime-ridden western town

Asker is always aftemoney and everybody knows he doesn't have any scruples. He gets accused of stealing a lottery ticket from the mentally-handicapped Musse. Simultaneously he meets a man at a café named Claes Douglas who promises to pay Asker if he does a favour for him.

McMurphy pretends to be mad to avoid a prison sentence but existence in the mental hospital is not what he imagined.

"The Reef" - Paula, is in an acute crisis after her child died in sudden infant death. She takes the boat to the archipelago island where her husband Simon and Benjamin, her brother in law, are. Paula and Benjamin have previously had a relationship, Simon does not know this. It is a tensed situation between the three.

A bomb threat is called in to a police station in Stockholm. The police bomb squad blows the briefcase to pieces and it looks like false alarm, until a baby is found inside. Soon, e-mails are sent out to every newspaper about the nasty situation that the police had tried to keep secret. Will the police ever overcome the "Monster"?