In what is now their ninth case, HR investigators Charlotte Sänger (Andrea Sawatzki) and Fritz Dellwo (Jörg Schüttauf) are confronted with a murder that results in the taking of hostages; the two inspectors try feverishly to prevent further murders by the fugitive. Synopsis: In a backyard, a caretaker is shot dead for having started a leaf blower early in the morning. The suspect is a local resident who was abandoned by his family some time ago; he has now taken a neighbor hostage and is on the run with him. The police launch a large-scale manhunt because it is feared that the perpetrator will commit more murders.
During interrogations with the hostage's wife and the ex-wife of theInspector Fritz Dellwo and his colleague Charlotte Sänger have doubts as to what really happened the night before the crime. Their superior, Rudi Fromm, is not of much help to them in the investigative work. Worn down by private problems and everyday police work, he seems to have serious doubts about the point of his work. Fromm is withdrawing more and more. Fromm only seems to be interested in van Boiten, a commissioner from Belgium. Fritz Dellwo, on the other hand, doesn't think much of van Boiten, who has gained international renown with his book on criminal profiles. And Charlotte Sänger is also rather skeptical about van Boiten. Nevertheless, he is the one who gives the commissioners a crucial clue in the end.