Three 13-year-olds start a detective agency and in solving their first case, learn about friendship and courage.

Kasper's parents are divorced. Every other weekend he takes the train between Jutland and the capital with a group of other children. Kasper finds it difficult to make friends, but he has a talent for rapping and it gives him a strong connection with another outsider Tobias, who makes music on his computer. On the train the two boys make a rap CD for a pretty girl named Marie. It turns out that her father is a famous judge on a popular talent show on television. That opens up new opportunities for boys, but it also creates jealousy among the popular kids in the railway car.

Jonas is a Copenhagen homicide scene photographer, happily married, with two kids. One day, his car stalls, another car slams into him, runs head on into a third car and flips into the ditch. The other driver, Julia, is critically injured. He visits her in the hospital and is greeted by her family, who assumes he must be the Sebastian she told them about, the new fiance she met in Vietnam.

Two comedians set out to make their own exploitation video.

Sarah, Maria and Morten found a place for their children's circus in Miss Mirabella's old fire station. Unfortunately, construction speculators have kept an eye on the house and are trying everything to deprive Mirabella of their property.

For Janus his friend Tore is his big ideal: pretty, intelligent and self-confident. Janus is grateful for his friendship even though he is considered the court jester. When Tore falls in love with the beautiful and sweet girl Helle, Janus accepts his role as their highly loved third party. Helle's fashionable mother, however, is a bit too interested in Tore. Written by Allan Simonsen