Vergeltung (S42E08)

When Chief Inspector Moritz Eisner is called to a crime scene in the Vienna underground, he is horrified: once again the victim is a teenager who has been brutally executed. Everything points to the perpetrator being a serial killer. The victims themselves are all convicted violent criminals. However, none of them had been imprisoned as they were all too young when they committed their crimes. The only condition was that they seek professional help and attend therapy. Gruesomely, they have each now been killed in the same way as their own victims. And if the case were not unsettling enough, to make matters worse Eisner has also been assigned a new assistant, who, however, is not unknown to him: Bibi Fellner, who is burnt out and teetering on the brink of alcoholism, yet somehow intensely human. All leads point to the «Youth Health» therapy centre, which specialises in resocialising young violent criminals. Together with his assistant, who sees Eisner as her last chance, he sets out to search for the culprit... (jakelijan virallinen teksti)