A priest is found shot outside a hostel in Ystad, following what looks like an attempted murder. The priest, who is believed to being able to identify the shooter, is fighting for his life in the hospital. Meanwhile, Kurt Wallander and his colleagues are looking for clues. Only when the police learn that the priest has had a love affair outside his marriage do they realise that they are dealing with a crime passionel. But where is the murder weapon – and who of the deceived parties has the strongest motive to kill?