Figure skating was his life, he died in the ice rink. Stefan Müller froze to death after being knocked down on the ice by a stranger. A case for the Cologne murder commission. Inspectors Max Ballauf and Freddy Schenk quickly realize that the former competitive athlete, trainer and judge didn't just have friends. The rumor mill is bubbling: there is talk of partisan judges' decisions. There are doping allegations and Müller is even accused of sexual abuse of minors. Above all, the ambitious mother of the ice skating student Jeanette doesn't mince her words. Ilona Hinze always felt disadvantaged by Müller and her daughter. On the other hand, he was completely fixated on his young model student Lily Wandhoven.
In fact, Müller not only supported the girl professionally, but also financially together with his brother Martin Müller. Müller's wife Sonja and his son Peter confirm: After the death of his daughter in a traffic accident, Lily was his one and only for Stefan Müller. What's with the dirty rumours?