Fredrik, nicknamed "Silver mouth" for his braces, lives with his father in Oslo. While the two share a loving relationship, Fredrik has trouble adjusting to the idea of his father becoming involved with a new woman. After visiting his mother, who lives in another city, he attempts to sabotage his father's relationship.

Herman works as a delivery boy for a flower shop after school. One day delivers a bouquet to Rosa Stern, a woman in her early 40s who lives behind heavy curtains in an apartment filled with a mysterious atmosphere. In the coming weeks, Herman will receive more bouquets to be delivered to Rosa. Rosa's visits are becoming increasingly important to him.

Detective Robert has his own office, a trench coat, a Bogart hat and Downs syndrome. The only thing he is missing is a case. Then a lady comes to his rescue.