Based on true stories about real homicide investigations in the south of Sweden between 1989-2004.  The six-part series explores the murder of 10-year-old Helen Nilsson in Hörby, southern Sweden, a seemingly impossible case that remained unsolved for 15 years. On the March 1989 night when Helen disappeared, there were around 20 suspected paedophiles living in Hörby.

The Hunt for a Killer

Eric, an ordinary man in his mid 30s with an ordinary job, wins a large sum of money playing the lottery. Despite his total lack of talent, he quits his job and sets off to learn how to play soccer. Eric firmly believes that if he spends 10,000 hours of training on what he sets his mind to, he can master just about anything.