A group of private soldiers arrives at the Service of the Air Defense. Some sweet army girls are located nearby.

It's Walpurgis Night in Uppsala. The students sing the Student Song, put on their white caps, cheer and have drinks.

Karl and Ada are engaged, Gustaf is a sailor and in love with Elsa. For her sake he's willing to stay ashore.

Inga and her father, the violin maker Lars, are big music enthusiasts. One day they meet the violinist Jan-Erik.

The spoiled Marianne has switched cocktail parties to flight lessons.

A man escapes from a psychiatric clinic, the tracks lead to the town Marstrand, where a woman is found murdered.

A bus company wants to acquire traffic rights on an island in the Stockholm archipelago. The steam boats will be replaced by buses, but Captain Johansson and his daughter Eva are at the forefront of the protests.

The Sjölund family on Lillholmen in the archipelago of Stockholm is quite religious and is considered suitable for dealing with odd specimens of wild youth placed there by one of Stockholm's youth associations for young girls.