In Munich's bustling train station district, detectives Flierl, Neuhauser, and Schaller are called to the scene of a murder. The victim, clad in flashy 1970s attire, instantly sparks Schaller's memory of Gustav Schmidinger, the legendary "Godfather" of the neighborhood from that era. However, upon closer inspection, the deceased turns out to be just another small-time criminal. As the investigation unfolds, the detectives must navigate the gritty underbelly of the city, uncovering secrets and connections that suggest there might be more to this case than meets the eye.