The rich young man Teddy Anker invests his money in the theater at the beginning of the 1920s. Whatever he does becomes a success. He falls in love with a dancer, Karin. He decides to put up a show with Karin as the leading lady, but for the first time one of his shows becomes an economic disaster.
When silly inventor Svensson gets mistaken for Swedish/American aviator Smith, he is accidentally enlisted in the military and drawn into unexpected romantic affairs.
Helga Breder is a young, spoiled girl. To her beloved Jörgen she says that she, as a modern young woman, is multi-talented and can do whatever she likes. Jörgen bets that she can't work as a house-maid but, if she manages it, he will buy her a diamond ring. Helga becomes a house-maid at Vinger Mansion and falls in love with an inventor, Bertil Frigård, who lives there.
