The rich, aristocratic Katarina Hassel have an architect renovate her mansion. Katarina fall in love with the young architect, Gunnar Stenwall. Alas, he doesn't fall in love with her. But perhaps if Gunnar would meet her identical sister, who works in Stockholm as a waitress, he would fall in love with her instead? So Katarina travels to Stockholm to act as her non-existing sister.

The stern, but kind-hearted, Kristiana from the country takes place as a maid with the Larsson family in Stockholm, previously (in)famous for its rapid turnover of housemaids.

Architect Sture Ahrengren walks out of his job with an architecture firm with the support of his wife Kristina. He gets a position with an old friend, Balstar Ekberg, who has a big engineering job going. But Sture gets entangled in a romance with Ekberg's wife, Helena.

Old fashioned teachers are taught swing dancing by a student.