The story is about a boy named Kalle Blomkvist who with his friends solves crimes. But also play the battle between the red rose and the white rose with his rival friends. But everything changes when Kalle Blomkvists friend finds a dead man in a cabin and then must his friends and he find the murdurer.

An engineer and his 5-year old son Rasmus are kidnapped by a group who wants to get their hands on the engineer's latest invention. Three kids become witnesses to the kidnapping and decide to follow the kidnappers to an island and attempt to make a rescue.

The story takes place in the 50's. A 13-year old boy, who has never seen a naked woman, collects pictures of pin up girls. One of his pictures is that of a naked blonde woman holding a guitar that is covering her private parts. One day a woman that resembles the girl in the picture moves in to the neighbourhood. Could it be the same blonde?

Summer holiday is over. Nora begins sixth grade and is drawn to intrigues and doesn't really know what side she's on. Or wants to be on. On one hand she feels sorry for the bullied Karin, one the other hand she wants to be friends with tough Fanny and Sabina.