Kasper has a birthday, but does not want guests, so he throws the invitations in the trash. Fortunately, he has a kind little sister who saves the day.

Kriss has to stay with his father this summer. His new little brother thinks it's great. Unfortunately for Kriss, his little brother is the type who likes to play with fire.

Stine has to get tougher. At least that's what Oldemor means when she sees how her friends treat her. But it's a good idea to listen to Oldemor.

Kasper wants to move to his dad, but it's not so easy when his dad has a new family. Fortunately, Kasper has a secret tree house in the woods.

Therese has an eye on Kriss. He takes the gang on a tent trip and the jealousy begins to murmur at Jonas.

Kriss wants to get away from the village. Little brother knows about a bathtub that can be used as a boat to paddle across the fjord.

Stine is abandoned by her friends and meets Kasper. He wants to show her something cool and takes her with him to his cabin. A new friendship is formed.

Stine takes her friends to Kasper's wooden cabin, even though she promised not to show it to anyone. She should never have done that.

Tore is a little boy and his father wants to toughen him up. Tore joins his father's job where he will learn how to blast dynamite.

Kasper and Stine have big plans for the development of the wooden cabin. The dream lasts until the farmer Dag discovers it and decides to cut it down.

The whole gang is ready to take revenge on Dag. The children make an ingenious plan to take revenge on Dag once and for all.

The archaeologists get a tip. Old Viking things have been found in Dag's field. Now the question is whether the archaeologists understand that it is the children who have put them there.