It's Saturday night at an old Hospital in Helsingborg. Karin Bellman is a bit forgetful and has been admitted with an injury to her arm. Her husband is by her side and introduces himself as doctor in theology but in the weekend stress he is mistaken for a doctor in the hospital and is put to work.
A semi-trailer found dumped and full of dead people leads Kurt Wallander and his team to a convent where the nuns have been assisting illegal refugees into Sweden via Poland.
Kurt Wallander and the team are stumped when they find an old man, Greger Stehn, dead due to poisoning. It appears that Stehn, who looked like a vagrant, was in fact very wealthy.
When a woman is murdered outside her restaurant in front of her eight-year-old daughter, Wallander and his team link the death to a restaurant mafia.
Someone is killing off Swedish military officers and making it look like the works of Soviet agents. Hamilton has to crack the case before all hell breaks loose and there is a full scale spy-war with the soviets.
Detective Kurt Wallander solves gruesome complex crimes in the city of Ystad, Sweden.