Lena Bergström works in an office and is unhappily in love with her boss, Johan Borg. She decides to quit. Borg's wife won't have any children, and when she becomes pregnant she has an illegal abortion. For some reason, Lena's father believes that it is Lena who has had an abortion.
On the island of Sommarland, which is located in a fairly large sea, there are many children. They are clearly enjoying their summer life. On the island there is also Mrs. Lonely who lives in a lonely cabin with her cat Bolle....
