Stockholm Central station. The loudspeaker announces that the train 7.03 is delayed and arrives at 7.30. The troubled brothers Oskar and Fredrik Reyner await attorney Thomas Linder.

Åke is employed as a singer in a revue tour and his uncle Karlsson becomes the tour bus driver.

Chronicle about how a song came about. Three young people and an orchestra leader visit restaurants and reviews where music, dance and song numbers are performed by Evert Taube, Ulla Billquist, Gustav Wally, and Britt Nilsson.

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).