18 million records sold, countless awards and sold-out stadium tours - Wolfgang Petry is one of the most successful musicians in Germany. The RTL II music documentary "Pop Giants: 40 Years Wolfgang Petry - WAHNSINN!" reviews the highlights of an extraordinary music career. Wolfgang Petry talks about his life and his music in his first TV interview after a temporary retirement from the music business. In addition, companions and celebrities describe their personal experiences and impressions of Wolfgang Petry - among them Daniela Katzenberger, Lucas Cordalis, Jürgen Drews and Wolfgang Petry's son Achim.
