The new idealistic welfare officer Helmi tries to improve conditions in "Sin Alley," but difficulties arise, particularly with the leader of the petty criminals, Jukka, whose son Reino also drifts into a life of crime.
Erkki, a journalist, suffers from epilepsy and agrees to be sterilized in order to marry his fiancée Helena. Unhappy about his infertility, Erkki begins to drink more and more, and eventually Helena returns to Helsinki to continue her studies. There she meets Associate Professor Sysikorpi, who...
Bank clerk Aarno Harjus is dismissed from his job due to false criminal allegations, and at the same time his wife leaves him. With the help of his friend, Detective Inspector Erä, Harjus gets the opportunity to appear on the radio under the pseudonym Con Amore. Like many other women, nurse Rauni...
Two children get involved in the adventure as the bustling caretaker Mrs. Aaltoska and crime reporter "Hawkeye" Lipponen start chasing the mysterious criminal league.
Kirsti works as a reception assistant to Dr. Varjo and is secretly clinging to the doctor's son, Eino, who is studying to become an architect. Even though the film reflects early social problems and class jokes, there is no humor about describing everyday life.