Selma and her friend Agatha are watching a movie on TV. Agatha starts to talk about older men and their dangerous age, but Selma can't image that her husband Fridolf is among those.
A model is murdered at a famous fashion house and the Hillmans start to investigate. Kajsa Hillman is employed as a model and discovers that several people had motives to kill her.
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!
