In Barcelona, in 1650, Count Don Cesare di Bazan tries to foil, with the help of an actress, a plot hatched against the king by the French ambassador.

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...

Brigitte von Gersdorf became an actress against her parents' wishes. At drama school, she and her friend Erika are now waiting for their big break.

A few days before the planned wedding of the chief inheritor von Halleborg, he experiences a terrible blow: his beloved bride Julia has a riding accident and dies of her injuries. Von Halleborg becomes a broken man and chooses not to waste another moment thinking of love -- his heart belongs to Julia ... forever. In doing so, von Halleborg runs the risk of losing his entire estate, for the conditions of inheritance make all to clear that if he does not marry by his 45th birthday, the estate is to be turned over to someone else. Von Halleborg had already made peace with this fact until he discovers that the future lord of the manor will be his nephew Oskar, a selfish and ruthless scoundrel, concerned only with money.

On November 11, 1918, the last day of the First World War , Lieutenant Colonel Klaus Olden desperately tried to hold a lost post with his unit. The rescue appears in the form of pilot Jochen Wendler, who shows up with his plane and drops ammunition. When Jochen's machine is shot down immediately, Klaus manages to pull him out of the wreck at the last second. Both are injured and taken to the hospital , where they are cared for by the attractive nurse Barbara, a childhood friend of Jochen. The two men form a blood brotherhood and drive together with Barbara to East Prussia , where they want to visit relatives of Jochen on their estate . But the relatives' yard was destroyed in the war. The post-war period turns out to be an economic disaster.