Vienna in the middle of the post war era, still divided into four occupational zones by the Allied Forces! A police officer finds the body of the famous Chocolate King from Alsergrund: Johann Arthold. Soon a suspect is found in the 23 year old bar girl Adrienne Eckhard.

Eckhardt presented a bizarre story involving a man named Konstantin Bertini as the true murderer. She claimed he had ties to drug trafficking, including morphine, and that he killed Arthold due to unpaid debts.