A story built around the music of Oskar Merikanto, tells the love story of the poor musician Lauri Alanko and the daughter of the rich Grahn family Annina. Annina’s family doesn’t approve of the relationship, and the couple’s happiness is also threatened by Lauri’s worsening eye disease.
Irmeli wants a certain job as a secretary but finds out that she would have to be married in order to get the vacancy. She lies that she has recently married and then gets a stranger from a nearby restaurant to pose as her husband. Complications arise when they have to continue their charade.
Esko makes a bet that he will marry the first young woman he encounters. This turns out to be Kirsti, who promptly turns down the proposals. But when she finds about the bet, she agrees to marry him in order to get her revenge.