"Mussu" Koikkalainen, a country boy moves to town to find a job. He finds it and is even promoted to head of complaints department. But little he knows.
The everyday life of the small village is mixed when a fire breaks out the night after the party. The cooperative manager and fire manager alerts the young judge Heiki to the extinguishing work, but due to the confusion, extinguishing the fire turns out to be more complicated than expected.
The holiday of Pharmacist Himanen and Lieutenant Paavo Kehkonen turns into a nightmare when they pick up Station Chief Viirimäki, who is in a hurry to get to work. Their boat engine dies and runs into the rocks, leaving them stranded on an island with no clothes. Posing as a woman, Himanen gets to know the police chief's daughter Alli, but as a result of coincidences and misunderstandings, the two men end up in jail, each suspected in turn of being a fugitive Vikström.
Alfred Haaravirta's worries begin, when his longtime housekeeper dies. So Alfred sends a letter to his old friend Matilda and asks her to be his new housekeeper. But Matilda misunderstands the letter to be a proposal of marriage.
The film starts at the countryside, where station master Viirimäki is spending his summer holiday. He has gotten into the holiday mood to the extent that he wakes up from his stupor at the very moment he should already be getting back to work. Unfortunately the last ship from the island where he has been vacationing has already sailed, but as luck would have it, local residents Himanen and Kehkonen promise to help him out. Things turn out differently, however, and the attempt to help starts out an adventure filled with misunderstandings and plot twists.