Madicken is a Swedish girl from the upper level family, growing up during the time of first world war which did not include Sweden. She lives happily with her family, experiencing the world and making brave and crazy things.

Fia and her mother, a piano-teacher, live in the country villa with bad-tempered housekeeper Malin. One day a boy called Hampus comes to the village together with his uncle, a shoemaker.