The rich and jung American Susanne falls in love with the Student Hans-Joachim. Set in the romantic Heidelberg.

Heidelberg teenagers make jazz music.

Postwoman Christel is engaged to detective Horst. When the dashing star trumpeter Mecky arrives in town, her love begins to waver. Christel must make a decision at the big postal parade.

Aging actor Hieronymus agrees to coach amateur Hans in his craft, but Hans doesn't live up to the demands of theater pros although he is supported by actress Ina who then helps him to break into the movies - but not as he expected.

Therese Hübner, owner of the “Linde”, is desperately trying to protect her long-established business from being taken over by the “Palasthotel”. But the bank manager doesn't want to grant her the loan she urgently needs, as he is betting on the newly opened luxury hostel. It's now old or new for the Linden landlady, who is shocked to realize that her daughters are also in favor of “modernity”. But just as she's about to give up, the tide turns. An admirer in love with his daughter Sabine plays fate...

Art dealer Thormann asks for the hand of his beautiful secretary Nora, but Nora loves Captain Hans Westhoff. But while Westhoff is hiding in Italy to avoid jail time, his heroic death is reported in his homeland.