Red Castle Lullaby by Taizō Fuyushima

1960 movie directed by Taizō Fuyushima

Upon returning to his hometown of Nagasaki, recently released prisoner Tachibana Shinichi must rejoin the Asahi gang family in order to pay back a past debt. Trouble brews when the rival gang that was responsible for sending him to prison learns of his return. Left with no alternative to their constant harassment and threats, Tachibana decides to take them on.

Bungo becomes a single parent when his wife leaves him because of his drinking and gambling. Deciding to quit his vices, he works menial jobs, drifting from city to city. However, not completely losing his gambling tastes, he became a hunted man and must escape to Tokyo after he was found cheating at dice. Bungo and his son Kenichi comes upon the Kizaki Family in Asakusa, where more troubles are awaiting them...

1957 Japanese movie

A man confessed to killing a woman in a labyrinth 2 years ago. The detectives must now conduct a "backing investigation" to determine whether his confession is true, because the law states that a confession alone is not enough to make the case. The 20nd work from the popular series "Keishicho Monogatari", which documents the activities of the First Investigation Division of the Capital Police Department.