For ages, the Demon Slayer Corps has zealously guarded the secret location of Swordsmith Village, renowned for crafting the finest weapons for demon slayers. When Tanjirou Kamado's sword breaks, he and his sister Nezuko journey to the village for a replacement. Simultaneously, the demon world is thrown into turmoil by the death of an Upper Rank Demon. Tanjirou's encounters with Mist Hashira Muichirou Tokitou and Love Hashira Mitsuri Kanroji unveil ominous forces lurking in the shadows, poised to challenge the Demon Slayers' crucial defense.