Two inventors, Ville and Rulle have developed a revolutionary new accordion; however, they have competition. Twelve-year-old Pelle Borell gets to show off the instrument in front of the Swedish accordion elite in Stockholm.
The maid quits at the Sommer family household and because no one in the family can cook they desperately needs a new maid. The son in the family, Åke, is a famous actor at the theater and when the up and coming actress Marianne (who also has a crush on the famous Åke) hears about the Sommers needing a new maid, she seizes the opportunity and goes undercover as a maid to get closer to Åke and the big roles in the theater.
