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.

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Main Cast: Ansa Ikonen, Tauno Palo, Aku Korhonen, Mirjam Novero, Ella Eronen, Arvo Lehesmaa, Wilho Ilmari, Trina Taipale, Elna Hellman, Veli-Matti Kaitala

Director: Edvin Laine

Writer: Olavi Veistäjä

Editor: Armas Vallasvuo

Cinematographer: Felix Forsman

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