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.

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.

35-year old Magnus Edkvist hates class reunions as much as anyone and usually skip them. Still he accepts an invitation for a reunion for class he left over twenty years ago. But he has his reasons, as there is a chance that his teen love Hillevi will show up. The girl he wanted to run away with and share the rest of his life. The girl that got away...