A wealthy amnesiac begins to suspect that his devoted wife is not really his wife and that he is not the man people keep telling him he is.
Grisly strangulations in London alert Nayland Smith of Scotland Yard to the possibility that fiendish Fu Manchu may not after all be dead, even though Smith witnessed his execution. A killer spray made from Tibetan berries seems to be involved and clues keep leading back to the Thames.
A German expedition is in the African jungles on an unidentified misson. During this mission one of the German explorers, Thoren, is attacked and captured by the local natives called the Botos.
A wealthy citizen of Salzburg wants to write a play about ordinary people.
Researchers in the African jungle find a young white woman living with a tribe, that adores her as goddess. They carry her off and proudly report to the press. It turns out that she may be Liane, the long lost daughter of the rich shipowner Amelongen. So Toren starts civilizing her and takes her to Germany, where she - now in love with Toren - has to defend herself against accusations of legacy-hunting. Will she fit into her new society?
Admiral Canaris is chief of the intelligence service of Nazi Germany. His department is quite successful and Hitler grants him all the money he wants for new developments. Still he's a thorn in the side of the Nazi chiefs, since he's not as unscrupulous as they want him and is known to criticize their ideology.
Art dealer Thormann asks for the hand of his beautiful secretary Nora, but Nora loves Captain Hans Westhoff. But while Westhoff is hiding in Italy to avoid jail time, his heroic death is reported in his homeland.
The beautician Angela Bell, a well-off middle-aged lady, and the respected fashion doctor Prof. Christian Hollmann would like to get married, but there is a catch: Hollmann is still married to his somewhat annoying wife Margot. Angela, however, has to get married as soon as possible because as a foreigner she will lose her work permit if she does not become a German citizen soon. The couple then come up with the idea of marrying Angela to the German bachelor Jonny Pitter, a writer - a sham marriage with no dishonorable consequences, of course. What neither Angela nor Prof. Hollmann suspect is that Jonny has been in love with Angela for some time
Violin virtuoso Fedor Varany meets on the train from Nice to Vienna Helene Samboni, the lover of the Chamber of Commerce President Alexander Grabner and still-wife of the artist Samboni. Fedor falls in love with her without betraying his identity.
Two nine-year-old girls—rude Luise Palfy and respectful shy Lotte Körner—meet on a summer camp. Apart from their different hair-do, they look alike. They have never seen each other before, but soon find out that they are identical twins. It turns out that their parents divorced, each keeping one of the girls. They decide to trade places at the end of the summer. Lottie curls her hair, Lisa braids hers, and both go off to where they have never been before. The adventure begins.