Mirja finds her grandmother's old hat in the attic and sets off singing along the road with it on her head. On her journey, she meets composer couple Theodor and Thea Tekonen and gets a ride from hat maker Kosonen and his son Ilmari, who falls in love with Mirja. However, the girl continues her journey alone and, with the help of the circus troupe leader, gets to perform at Linnanmäki, where Ilmari finds her again.

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.

Perky student Inkeri 'Iiri' Paappanen and businessman Taavi Takkulainen fall in love during a boat trip, but a misunderstanding at a hotel in Stockholm causes their break-up. Returning to Finland, Inkeri applies to become a governess and gets a job at Taavi's parents' family. Consul General Albert, Taavi's brother intends to take advantage of Iiri in his political endeavors.

Jobless inventor Justus begins to help people to become happy together with a homeless girl named Bella.

Liisa and the renowned composer Raimo Kaarna are fond of each other, but in Kaarna's family history, everyone does not accept the relationship. In addition, Liisa has her own doubts, and a secret that does not endure the daylight.

A documentary or rather a bulletin style movie about Finnish Air Forces in the 1930s.

Adalbert "Mussu" Koikkalainen inherits 9,000 marks from his uncle. To buy a milk shop, Koikkalainen needs another thousand marks and work experience, so he applies for a job at the department store Sampo, where he is hired as a scapegoat to receive customer complaints. The saleswoman Irja Salo, who is under threat of dismissal, falls in love with the general manager Vaara, whom she thinks is a traveling salesman.

Wager is Count Mauritz Armborg, the young master of the estate. Linnanheimo plays Katariina (Catherine) the nanny to Mauritz's nieces and nephews. The two fall in love and decide to escape to Italy via Denmark where they have planned to get married. There are always complications because Mauritz's grandmother doesn't want him to marry below him - she has decided that Mauritz is to marry the Swedish beauty, Ingeborg Liliecrona.

Set in turn of the century Helsinki, author Arvo Helavalla's novel makes an indelible impression on adolescent Auli Ranta. She idolizes the author of a work that can never be forgotten.

Nina, Erik, and Heikki are charged in court and receive prison sentences, with the girl receiving a suspended sentence. Erik's father Tauno returns home and finds Nina waiting for him. The girl recounts the events that led to the situation, which are presented in flashback.