State of emergency in North Rhine-Westphalia! Four commissars from different departments have already been killed. There has never been a comparable series of murders in the country's history. But a hot lead is missing, the investigators are groping in the dark - and the pressure is increasing... To finally stop those who are behind the insidious murders - investigators from different cities should be sworn to this common goal: All stood with the previous victims in connection. There are Peter Faber (Jörg Hartmann) and Martina Bönisch (Anna Schudt) from the Dortmund Homicide Commission and their colleague Nadeshda Krusenstern (Friederike Kempter) from Münster. To the investigative teamalso include Commissioner Rettenbach (Ben Becker) from Oberhausen and Commissioner Mitschowski (Nicholas Ofczarek) from Aachen.
Inspector Ziesing (Friedrich Mücke) comes from the Paderborn Kripo, and inspector Möller (Elena Uhlig) comes from Düsseldorf. Can this group provide crucial new approaches to the investigation? With the support of the Prime Minister of North Rhine-Westphalia, the Chief of Police (Jörg Ratjen) invites the seven inspectors to an empty conference hotel. Because time is of the essence: the investigators must form an efficient team as quickly as possible. This is ensured by two renowned coaches (Bjarne Mädel and Charly Hübner), who have a lot of experience with crisis situations...