Robert, Peter and Fritz are the best of friends ... and hopelessly broke. But they don't let that stop them and in short order, they end up renting a deserted gas station. With just a little bit of wit and some elan, they'll bring the old girl back to life and all will look rosy ... until all three of them fall in love with the same dame: Gabi, the daughter of the director of a large gasoline firm. Thanks to her, their eternal friendship is really going to be put to the test.
The deaf-mute little girl Angelika is a talented dancer and is trained by a ballet mistress so that she gets the leading role in an opera despite the intrigues of a rival. Angelika's brother gets out of prison and wants to build an honest life for himself, but falls back into the clutches of his former gang, who use him and the unsuspecting Angelika to circulate counterfeit money.
A player on a soccer team, where everyone matches together just perfectly, has fallen out of a championship tournament due to illness; which leads to a big problem: who would be the perfect man to replace him? Werner Fehling appears to be the perfect replacement for the sick man. The problem is, he's a bitter rival of the goalkeeper, Jupp Jaeger. Both men love the same girl, Grete Gabler. Grete is the daughter of a senior member of the sports club, which is why she feels doubly under pressure not to do anything to jeopardize the success of the team.
Cheeky Jette is a typical Berlin girl. Together with her mother, she performs couplets in a Berlin suburb theatre every night. Then, a young Austrian baron, who is worshipping Jette, enables her to audition for Königstädtisches Theater. Although she at first fails with an aria from an opera, Jette wins over the hearts of the board members with her fresh style when she performs a cheeky couplet that was written by Barsch, the stage manager of the suburb theater.
Impresario Adler is imprisoned for insulting an official and therefore unable to negotiate an important concert tour with opera singer Lauri Volpi. In his place, he convinces Friedel, a pretty music student, to travel to Venice to meet the famous tenor. In her travels, Friedel sends postcards written by Adler to his wife to prevent her from knowing his real whereabouts. When Friedel meets Volpi’s attorney, she mistakes him for the singer, and they spend days together in a romantic, picturesque Italy without him revealing his true identity. After his release from prison, Adler realizes two things: firstly, Friedel has been negotiating with the wrong man, and secondly, his wife has discovered the trick with the postcards, traveled to Italy, and started a storm of her own. But when the storm has cleared and the confusions are clarified, nothing holds them back from a happy ending.
A wife believes her husband has been deceiving her and decides to have some fun at his expense. After a bit of mischief, her husband, a lawyer who is preparing a divorce for a client, decides to start divorce proceedings himself. The wife then realises she has gone too far.