The adaptation of the eponymous play by Carl Zuckmayer tells the story of renegade general Harras of the German Luftwaffe, who during WWII openly criticizes the Nazi regime. As a consequence, he is put under surveillance, and even imprisoned for a brief period of time. Still remaining outspoken, Harras realizes the horrific dimensions of this hopeless and injust war waged by Germany.

Arthur Milton aka Der Hexer (The Magician/Ringer) must return to London after his calling card was left at the scene of a murder he did not commit.

The sister of a famous, but as yet uncaught, criminal named "The Hexer" is murdered. Inspector Higgins of Scotland Yard believes that "The Hexer" will surface to take his revenge on his sister's killers, and plans to set a trap to finally capture him. However, soon bodies start piling up, and it looks as if "The Hexer" may get away yet again.

A British woman on a visit to post-war Berlin is caught up in an espionage ring smuggling secrets into and out of the Eastern Bloc.

A German scientist murders his fiancée during World War II when he learns that she has been selling the results of his secret research to the enemy.