At Pösökylä's lodge, Taneli injures her leg in fur hunter Eemel's wolf irons, and Eemeli decides to take up the position of lodge lodge. During the leave of office, Eemeli gives lessons to the rich Petter who rules the village and arranges the engagement of his daughter Ilona to the blacksmith Ilmar. At the same time, the affairs of the coffee bar owner Bertta are also put in order and the prisoner escaper Luukas is caught.
At Justiina's insistence, Pekka and Pätkä are looking for work again and end up starting a detective agency. The first assignment takes the duo on a cruise on Lake Saimaa. Traveling on the same ship are representative Johannes Kulo and his daughter Maija, as well as the lumberjack Jussi, who gets caught up in the duo's misadventures.
Justiina gives lessons to friends who are avoiding work and sends them to work. Pekka and Pätkä end up in a woodworking factory, where their job is to nail together the legs of a Christmas tree. The men think they will get rich this way, but through misadventures they end up in many different jobs and being chased by a crowd of admiring women.
Pekka and Pätkä work as inventors. Pätkä accidentally takes a photograph of bank robbers, who begin to track down the photographer. Soma Koivu, the former secretary of the property manager Kiivas, and police officer Antero Kangas help Pekka and Pätkä catch the robbers at a film studio where Pekka is working as a stand-in for Superman.
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.
Coal miner Esaias Coolman returns to Finland from his working years in America.