 When so called  Prince of the Polderpop  Ricky Veenendaal is electrocuted on stage withing the firs minutes of a concert at the Hippolytushoef, all the members of his band  Shock  become suspects. Inspector Lucassen learns the victim s widow is having an affair with Skinny the drummer. Road manager Toni would do anything for Guitarist Adje, who was being blackmailed by Ricky. A screwdriver with white paint on it becomes the most important piece of evidence.