Yrjö Virtanen

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.

An uptight all-girl school teacher Leena Kataja stumbles upon a handsome artist Pertti Rinne who paints her face on a nude portrait, much to her chagrin. She is intent on keeping the painting out of circulation by stealing it from an art gallery, but the aftermath turns out to be more complex than she anticipated, leading Leena to become involved in various misunderstandings featuring a gang of criminals, inept cops and false murder charges among other things.

Dr. Aitamaa is spending holiday with his family at their summer villa. He accidentally reads a letter that was meant to his wife. The letter is from another man. Aitamaa follows his wife to the city and finds out that she has a lover. Later the wife is found killed and Aitamaa becomes the prime suspect.