Constantin Mick

During a concert tour, famous tenor Riccardo Gatti meets Lixie at an Aida rehearsal and takes her for a ballet dancer. She is in fact trying to get a position for her boyfriend, so she accepts Gatti's date for supper. When she runs away he publishes a newspaper ad offering to give a concert anywhere she chooses if she shows up. She chooses a swimming pool hoping to discourage him, but he accepts.

When Albers takes his drug-addicted opera star sister Gerda to a sanitarium, they both become targets of slimy dope peddler Peter Lorre, who fears that Gerda will blow the whistle on him. Lorre kidnaps the woman, leading Albers on a frantic chase.

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.