Singer Michelle Lang made her breakthrough with her first solo record and shot to the top of the pop charts. But fame has gone to the young woman's head: with her whims and airs and graces, she makes life difficult for her friend and composer Daniel Traun. Even with her ex-boyfriend Patrick Jobst. When she fends off another attempt by Patrick to win her back, the evening comes to a terrible end: when she arrives home, she is suddenly unable to open the doors of her car. Seconds later, the vehicle catches fire and Michelle dies in the flames. Rex and Brandtner are faced with a mystery, not even Rex's sleuth gets them anywhere. Did Patrick Jobst, who is a firefighter by profession, come up with the perfect murder? It's high time for Rex and Brandtner to take a look around Vienna's pop music scene...