Ten years ago, the "Andree case" was seemingly solved. Now criminal investigator Husfeld is to reopen it, as doubts have arisen about the guilt of Helga Andree, who was convicted at the time. She is said to have pushed her former rival, the singer Elinor Gyldenborg, off the roof garden and killed her. Husfeld seeks advice from his friend, the writer Volkmar Hollberg. He turns the case into a radio play, which is broadcast on the radio under the title The Jump from the Roof Garden. The broadcast brings back memories of the night of the crime for those present at the time...