Homicide detectives often encounter death. But in her latest case, Lena Odenthal is also confronted with dying. The murdered Sabine Brodag worked for the Swiss euthanasia association Charontas. Supposedly he only does lobbying in Germany - but Lena Odenthal finds out that Brodag was involved in illegal euthanasia deals. Lena and Kopper suspect that Michael Heymann, with whom Sabine Brodag had a relationship,was involved in it. Kopper behaves very aggressively towards the club's employees - in his eyes their activities are unacceptable. Things are no longer so clear for Lena when she meets Katja Frege and her daughter Julia. Katja has to deal with the fact that her nine-year-old daughter has to die in agony. Desperate about the fate of her child, Katja sought help from Sabine Brodag.