Klaus Salin

A film centered around a popular Finnish song book. Young lovers Pirkko and Pekka break off their engagement at the end of an evening spent at a dance restaurant. At home, Pirkko finds a songbook in her room, whose songs turn into musical scenes. The night watchman carries the songbook with him, and it ends up, via a sad prostitute, a police officer, and a night shelter resident, with Pekka, who is waiting for Pirkko's forgiveness and comes to pick up his fiancée.

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.

Mauri Huhkinen, a busy man in Tukkilahden, has taken on so many municipal positions of trust that he has three meetings in one evening and no time for his family. Everything changes when the residents of Tukkilahden hear about Mauri and his fellow trustees' rowdy night out at a restaurant in Helsinki.

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.

Old Virtanen is a respected night watchman at a textile factory and a single father to his daughter Aino, who is about to graduate from high school. The heartless factory owner Kuusela fires Virtanen, who is forced to look for a new job. When Aino, who is in love with the manager's son Veikko, disappears after her graduation party, her father, who has fallen ill with worry, is overcome with despair.

Merchant Iivari encounters significant challenges in his entrepreneurial career when Merthen, a commercial counselor, attempts to prevent his success. Merthen's daughter Verna falls in love with the honest Iivari, who is not acceptable as a son-in-law to the Merthen family.

In 1916, Finland is still a part of Russian Empire. Eugen Schauman murders the governor of Finland, and his fellow activists take on smaller tasks in the fight for freedom.