Wallander - Season 3 Episode 4 The Loss

A young woman is found dead in Ystad. When the police begin the case, they are told that the woman came from Moldova and that she worked as a prostitute in Sweden. Kurt, who leads the case, decides to seek out the woman's family in Moldova. When he returns to Sweden, he is involved in a car accident and takes a leave of absence from work. Around the same time Kurt finds where is forgetfulness comes from.