Leopold Bachmayer, a court judge in Vienna, is a grumpy bachelor. Doing foolish things for the sake of a woman could never happen to him. He is firmly convinced of this. This changes abruptly when, shortly before his vacation, he has to interrogate the seductive Frau von Seewald about a brooch allegedly stolen by a maid.

Dr. Zilinsky and his cunning gang want to rob a bank. But they haven't reckoned with Konrad Stroloff, the bank manager's son, and the pretty singer Therese.

Father and son have the same taste in women, but different tastes in music: both love the beautiful Linda, but while the father leads a successful dance band, the son wants to be a rock star. After an argument, the son leaves his father and performs first as a solo artist, then with a rock band. There he meets the lively Maxi.