The 47 Ronin

The legendary Forty-seven ronin plot to avenge the death of their lord, Asano Naganori, by killing Kira Yoshinaka, a shogunate official responsible for Asano being forced to commit seppuku.

The 47 Ronin is a 1979 drama history movie directed by Kenji Mizoguchi, starring Yoshizaburo Arashi, Utaemon Ichikawa, Chôjûrô Kawarasaki. It holds an IMDb rating of 7.2/10 from 2,943 votes and runs 4h 1m.