The S/S Vellamo heads to Alexandria with Kaarina, the daughter of the ship's owner Hallerman, on board. As Kaarina trades places with the family's housekeeper Marja, first mate Yrjö takes a liking to Marja whom he believes to be miss Hallerman. Meanwhile Kaarina, pretending to be a member of the cleaning staff, starts getting close with lower ranking officer Kalle Aaltonen.

Small-time criminal Niilo gets the chance of a lifetime when the wealthy Sahlbergs mistake him for their long-lost nephew. Taking on the role of Yrjö Sahlberg, Niilo becomes the manager of a safe factory, where his old partner in crime, Oksa, begins to blackmail him into shady dealings. After falling in love with his "cousin" Annikki, Niilo wants to face his past and start a new life as an honest man.

Heavily indebted Commissioner Birger seeks to marry the wealthy Helena. The young lady rejects his advances and longs for her childhood friend Kuismaa. Birger's jealous mistress Verotshka complicates the relationship dynamics while helping the Finns and Ingrians in their struggle for independence.

A love story between a taxi driver and a travel guide in the form of a musical.

Vinski inherits a general store in Ihantala from his aunt, which he starts running with his friend Lapatossu. The friends face fierce competition from the greedy merchant Juhos. The resourceful Lapatossu solves the problems of the villagers and evacuees in between business transactions.

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.

Raili moves away from her mean aunts. The young woman enjoys her independent life, but debt, a deceitful boyfriend, and getting fired from her office job get her into trouble. However, Raili's uncle Salomoni and his wife Salli support their relative. Olli, a lawyer, also wants to help Raili, who has fallen victim to blackmail.

Eager young radio reporter Teräsvuori stages a one-man burglary into the Helsinki Art Museum, recorded on tape for a later broadcast by his friend Laakso. Things go awry when a gang of real criminals overhear their plans and book their heist to coincide. Teräsvuori gets caught but escapes from police custody to start his private investigations together with female radio colleague Eila.

Pete and Runt travel to Lapland to hunt the snowman in the hope of a cash reward, and take Justiina along as a bait.

Justina urges Pete and Runt to get a job. As a result they meet an orphan boy named Otto while working as a park nannies. They offer to shelter the boy, but at the same time the father Antti, who has returned from the sea, is looking for his son together with Miss Raikas.