Katharina and Sonja meet by chance on a train journey to Klagenfurt. Sonja, who wants to prepare for an exam, invites Katharina to live with her. The two different girls get to know the equally opposing men Thomas and Peter. Beyond the little holiday flirtations, Sonja and Katharina discover that they fell in love with the same man in Vienna...

Ricky, Walter and Edmund, 3 not very successful and chaotic Daydreamer, meet after all of them get fired from the set of the new Winnetou production. On their way to the next town they meet Rosi and all 3 of them fall immediately in love with her. After an intimate party with just the four of them Rosi finds out that she's pregnant and every one of them could be the father. Till they can be sure who the father is the three of them try to help Rosa out in any way they can and to get the necessary money for the baby, the three of them will try anything, regardless how chaotic the outcome will be.

Tommy loses his job as a make-up artist at Bayerischer Rundfunk after fogging an announcer with hairspray and then insulting her; Mike is dumped by his girlfriend because, on the one hand, he only cares about his music and, on the other hand, he is financially stranded. So they both need money and decide to become detectives. On behalf of a rich industrialist, they are to shadow his wife and take photos of her cheating. So Mike and Tommy travel to Bad Spänzer, where the lady is staying. But she is as faithful as gold, so Mike, disguised as a Prussian, makes advances to her so that Tommy can take the required photos. But Tommy soon has to slip into a costume, too: Since Tommy looks deceptively similar to an Arab sheik, he is hired by the sheik's secret service to double him. What Tommy doesn't know: assassins want to kill the sheikh at all costs.