Alexander Saxelin

The director of the Vaudeville Theater is looking for new performers after the former star was forced to give up her singing career. Out of numerous auditionees, singer P. Waltteri Vitikka is hired. At the same time, the janitor tries to maintain order in the theater.

Corporal Möttönen is an incomparable humorist whose easygoing banter brings a pleasant atmosphere to the unit. The smooth-talking man from Savo is assigned to the entertainment troops at the front.

An artist bases a painting for a revealing lingerie ad on a photo of a girl he had found torn from a magazine, not knowing that the girl is in fact the daughter of the Finnish minister of finance. A scandal is about to erupt, and the artist is given 48 hours to find a strikingly similar-looking female model who could serve as his alibi. The minister's daughter decides to fool the artist by pretending to be a lowly girl of the streets, whom the artist then recruits as his "model".

The boyish, temperamental chemistry student Elsa Kassel disapproves of her mother and sisters running after men, but when she hears that she's referred to as "ugly Elsa", she takes on a transformation. The new, charming Elsa tests her attractiveness on men and causes confusion all the way to her mother's new groom, Professor Harjula.