Directed by Ville Salminen and written by Reino Helismaa, the musical comedy film Kaks tavallista Lahtista (1960) tells the story of two friends about Usko (Tommi Rinne) and Toivo (Leif Wager), both of whom happen to have same surname, Lahtinen.
The headmaster of a private girls' school is doing her best to maintain strict discipline in the school. In addition to the loosening morals of the students, the warm relationship between two girls is a causing concern.
A mad writer checks into a hotel. In the window of a opposite building he sees four men and starts to write their life story. Every man is an anonymous person who have done or experienced something irreversible in his life. They end up together to plan a heist.