The Blood of Wolves (movie, 2018)

Set in 1988 in Hiroshima, Japan, prior to the enactment of the anti-organized crime law. A rumor exists that Detective Shogo Ogami has ties with the yakuza. He is partnered with Detective Shuichi Hioka and they investigate a missing person case involving a financial company employee. Conflicts between opposing yakuza groups become more serious.