A gas station owner is shot dead in his sales room. Chief inspector Inga Lürsen (Sabine Postel) and her colleague Stedefreund (Oliver Mommsen) quickly know that this is not a case of robbery and murder, because there is a large sum of money in the till. In addition, the perpetrator closed the dead man's eyes post mortem. To the astonishment of the inspectors, the victim's family seems very composed. Does she have anything to do with the murder? 16-year-old Max (Vincent Göhre), who found the victim, is increasingly caught up in contradictions. And why is his mother (Mira Partecke) so panicky? During their investigations, the inspectors get deeper into family secrets than they would like...