Alice Babs

Chorus Director and pop author Page Hassler has troubles. The inspiration for the new figures do not show up. Greta Norman is a girl with the theatre of dreams. She will be an employee of the theater director as a nanny to a group of children who should be in the next revue.

The marriage of the newlyweds Gun and Emil is strained when Gun sings in a radio show and makes a breakthrough.

At school, a music teacher is testing the pupil's ability to sing. The 16-year old Inga Danell starts to sing a song so catchy that everybody in the classroom starts to sing. The singing is interrupted by the principal, who thinks that jazz and swing dancing is awful. Inga then starts performing at a nightclub, where her music teacher happens to be the pianist.

The spring semester is over, but the sisters Inga and Archie have the grades to read over the summer. Sequel to "Swing it, schoolmaster".