The sinister discovery of numerous murder victims shocks the Oderbruch region. The serial murder case brings Detective Roland Voit to his hometown to work with Polish police officer Stanislaw Zajak. Voit’s former colleague and childhood sweetheart, Maggie Kring, is also called in to join the police investigation when her family comes under immediate suspicion. In their investigation, Maggie and Voit delve deep into their own past to finally uncover the true circumstances of the death of Maggie’s brother and the sinister truth of this case, which lies beyond human imagination.

With no witnesses, no traces, and no corpse, Josy, the 13-year-old daughter of well-known psychiatrist Viktor Larenz, has disappeared in unexplained circumstances. Two years later, a mysterious woman appears. She forces Viktor to face up to his daughter's disappearance and pushes him to his psychological limits.

Berlin in the near future: A secret meeting takes place between a board member of the dominant internet company "Freemee" and members of the government. Camera drones film it unauthorized and document the events live on the Internet. The anonymous net activist group "Zero" is publicly committed to the media attack. Online journalist Cynthia Bonsant, widow and single mother, has been asked to do background research on "Zero" by the head of the online magazine "Daily". The group is classified as a terrorist organization, but according to their own statements they fight the excessive influence on the population through the so-called "Act App", which contoles the lives of users. When a friend of Cynthia's 17-year-old daughter Viola is shot dead in a hunt for a criminal, "Zero" contacts her and tries to recruit her for their own purposes. In the meantime, Cynthia has bad suspicions during her research, because soon a new version of the app will be released that will change everything.

Polizeiruf 110 is a long-running German language detective television series. The first episode was broadcast 27 June 1971 in the German Democratic Republic, and after the dissolution of Fernsehen der DDR the series was picked up by ARD. It was originally created as a counterpart to the West German series Tatort, and quickly became a public favorite.