Maunu Kurkvaaran Kujanjuoksu (1971)

After a young girl is found murdered in Kumpula, Helsinki, the police arrest Ossi Virtanen as a suspect. He had been drinking for days and got into a fight with a local youth gang. The police think that Ossi had gone after the gang for revenge and then killed the girl by mistake. Though Ossi maintains his innocence, and the evidence against him is insufficient, deputy chief Ranta has decieded he is guilty.