Commissioners Flierl, Neuhauser and Schaller uncover a supposed accident as murder. The victim was run over three times. The determination is difficult. The well-dressed murder victim does not carry any papers with him, labels of his tailor-made suit are removed. Chief Criminal Officer Zangel does not consider the matter to be worth investigating. Commissioners should rather digitize files. The commissioners secretly investigate. A first trace leads to a young tax advisor. Fidelius Aubacher immediately seems to be taken with Angelika Flierl. Angelika initially thinks this trail is cold, but later she will find Fidelius adoptive parents. The pathologist Dr. Spawner finds a striking liver stain on the dead and sewn in a tailor-made suit for 25,000 euros in cash.
Why did this man take the bus to the crime scene? Schaller learns more about the custom suit and thus about the victim, an Italian, about an old acquaintance, the tailor Kirschhuber. It soon turns out, that you are dealing with the Italian mafia and asks Commissario Quehenberger for help. In this case, Schaller becomes a bus driver, Harald suddenly struggles with a tough job killer, and Angelika almost falls in love with a witness to be interviewed – so that the three can get behind the circumstances of the mysterious murder.