In this gripping cinematic adaptation of 'Crest of the Rules,' a graphic novel by Ushijiro and illustrated by Teruichi Nasu, audiences are immersed in the intense world of a militant yakuza struggling against the currents of changing times. Abandoned by evolving waves, he battles a formidable enemy organization, faces excommunication from a former ally, and confronts both factions during a period of societal disapproval.