The attractive Oberleutnant Paul Wendlandt is stationed in North Africa as a fighter pilot. While in Berlin to deliver a report he is given a day's leave, and on the stage of the cabaret theatre "Skala" sees the popular Danish singer Hanna Holberg. For Paul it is love at first sight. When Hanna visits friends after the end of the performance, he follows her, and speaks to her in the U-Bahn. After the party in her friends' flat, he accompanies her home and chance throws them further together when an air raid warning forces them to take cover in the air raid shelter. Hanna reciprocates Paul's feelings, but after a night spent together Paul has to return immediately to the front. There now follows a whole series of misunderstandings, and one missed opportunity after another. While Hanna waits in vain for some sign of life from Paul, he is flying on missions in North Africa. When he tries to visit her in her Berlin flat, she is giving a Christmas concert in Paris.

In postwar Vienna, Austria, Holly Martins, a writer of pulp Westerns, arrives penniless as a guest of his childhood chum Harry Lime, only to learn he has died. Martins develops a conspiracy theory after learning of a "third man" present at the time of Harry's death, running into interference from British officer Major Calloway, and falling head-over-heels for Harry's grief-stricken lover, Anna.

A series of stupid coincidences causes the young Munich painter Paul to convert his uncle's castle into a hotel for four weeks. But he can't complain: business is good and he has plenty of guests. For exmple, there's Theo Muller with his revue troupe. For reasons of "sound", Muller calls himself "Miller", which, of course, causes more confusion. His daughter, the beautiful Evelyn, is confused with Mabel Miller, who has come to the hotel on a mission for her filthy rich father ... namely, to estimate the worth of the castle.

A young noble feels that inflation does not stop at the nobility when she becomes impoverished overnight. As an actress, she struggles and is finally hired by a revue theater through the agency of a Russian emigrant.

It is the year 2000 and the World Global Union is in charge, although other countries are allowed to elect their own government leaders, as long as they support the Union. When Austria's newly-elected president, played by Josef Meinrad, makes his inauguration speech he declares Austria independence and issues an edict ending Austria's financial support for the Global Union.

Otto Dernburg is forced by circumstances to dress up as a middle-aged woman.

Things are hectic at the "Black and White Horse Inn" on Lake Königssee. Cordula, the young owner of the long-established family business, has just learned that her father, who died five years ago, included a clause in his will: If she fails to find a husband in the hospitality industry, she must hand the "horse" over to her greedy uncle Simon. He, in turn, had hidden the will in order to present it to Cordula now, just before the deadline. She has two weeks to fulfill her father's wishes. While she has an ideal candidate in her charming head waiter, Franz, the much-loved man is completely unaware that his boss has secretly been in love with him for a long time. Instead, Franz believes he has found the woman of his life in the pretty hotel management student Monika.

Young Stanzi who is visiting Vienna helps a young corporal and musician to become famous for his marching song "Die Deutschmeister".