Jan Michelsen is investigating the disappearance of a young woman called Julie Vinding from a Copenhagen suburb. Six months later, Jan is the only one who believes that she is still alive. Jan finds a ten-year-old case from the same neighbourhood where a 17-year-old girl, Natasha, disappeared on her way home from a party. Jan discovers the remains of Natasha in a lake. She was murdered. Suspecting a link between the two crimes, Jan brings in an expert on serial killers, Louise Bergstein.

Jan and Louise find a dress belonging to Natasha – the first victim – which Anders Kjeldsen had hidden. That same night, Anders tries to kidnap another woman. Stine Velin attends her big brother Mikkel's 40th birthday party and reveals a dark family secret.