Swedish movie from 1939. In summer Stockholm live the unemployed musician Nisse trying to sell the songs to music publishers. One day the treasurer of a prominent publisher is arrested, on suspicion of theft of 10,000 crowns from a cash box. Nisse has, however, seen something suspicious.

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

Knatten and Janne, just released from the prison of Långholmen, meet a romantic Stockholm in the 40s. Knatten tries to earn money while Janne is looking for the music.

Eva Cullberg (Annalisa Ericson) wants to sing in a cabaret the local military company are arranging. But her mother (Tollie Zellman) and father (Carl-Gunnar Wingård) won't let her, so she pretends to be the nanny of her sister's child. Along the way she falls in love with Lt. Mandell (Björn Berglund).

A look back on the history of Swedish radio broadcasting.