Den tappre soldaten Jönsson

A woman is murdered and a little girl is the only one who can reveal the perpetrator.

Unsuccessful composer Stig disguises himself as a woman to play in ex-fiancee Sonja's seven piece women's orchestra, which is temporarily short one member, at a hotel. When Stig's jealous, and unsuccessful actress, wife Eva finds out about it she too disguises herself as the opposite sex by posing as a hotel porter. Additional complications arise and hilarity ensues!

Orphan girl Gunilla (nick named Kulla-Gulla) gets sent from her orphanage to work as an housemaid at sharecropper Karlbergs household. Among her duties is to take care of Karlberg, his wife and their five children.