After discovering his family brutally murdered, Tanjiro is shocked to find that his sister, Nezuko Kamado, is the only one left alive, albeit transformed into a Demon. Remarkably, Nezuko retains some human emotions and consciousness. This sets Tanjiro on a quest to find the Demon responsible for his family’s death and to restore his sister’s humanity. This film revisits the first five episodes of Kimetsu no Yaiba, enhanced with additional scenes.