1941 film by Karl Ritter

Shortly after his return from India, a special agent of the British secret service falls victim to an insidious poisoning in London. Scotland Yard gets involved. But too late: valuable information has fallen into the hands of an international criminal gang...

A model agency in Rio de Janeiro is actually a front for a white-slavery ring that kidnaps European women and sells them on the South American sex market.

At the Olympic games in Berlin 1936 Inge Wagner falls in love with Luftwaffenleutnant (Airforce Lieutenant) Herbert Koch. They want to marry, but he receives orders to go to Spain - incognito, without permission for any contacts to his friends and relatives. Inge is still waiting for him. After the beginning of WW II, German radio starts broadcasting the "Wunschkonzert für die Wehrmacht" - a program made of wishes from the soldiers. He hears the song, he wanted to hear, and so does Inge. A friend of Inge, who hopes she is willing to marry him, comes to the same squadron where Koch flies. Koch and Inge arrange a date at a Hamburg restaurant, but he and Ilse's friend are shot down the day before. In the hospital Koch finds out, that he and his friend love the same girl. He thinks they are already engaged and is willing to give her up.