Everyone has childhood memories and they are completely different. Most often, we recall with pleasure our carefree childhood, our friends with whom we played, shared our experiences and children's problems. Karen, the heroine of the Childhood Treehouse story, often thinks of her childhood friend James. He lived next door, they were friends and spent a lot of time in the tree house. There you could hide from everything and immerse yourself in your own world, which adults often simply did not understand. The other day Karen found out that her friend was coming to his hometown. She has not seen him for almost ten years and is very worried about his arrival. Friends will visit their old tree house together and who knows what their memories will lead to in Childhood Treehouse.