When a life raft carrying the bodies of two Eastern European criminals washes up on the Swedish coastline, Inspector Kurt Wallender travels to Riga, Latvia, where he struggles against corruption and deceit and risks his own life to uncover the truth.
Thirty years after a Jewish widow and her children are kept safe by their loyal housekeeper after the Nazis take over Latvia in 1940, she begs her estranged granddaughter to find out what happened to her son.