Mikado Ryuugamine continues his efforts to eliminate the Dollars from within, guided by a distorted sense of justice. Masaomi Kida aims to help his friend regain balance by bringing together the Yellow Scarves once more. However, they are unaware that an even greater force is about to enter their struggle for power, one which Anri Sonohara has encountered before. Meanwhile, those gathered at Shinra Kishitanis apartment recognize that they stand on the precipice of a life-altering event, as reports of Celtys head appearing in public begin to surface. As Kasane Kujiragi takes action, Ikebukuro is thrown into chaos, setting the stage for one final act in this gripping conclusion to the story of its most esteemed citizens.