A good-hearted youth called Tanjiro Kamado decides to train to become a Demon Slayer after witnessing his family being brutally killed in the hopes of reversing the transformation of his younger sister Nezuko. Tanjiro sets out on a quest in the Entertainment District with his friends Zenitsu and Inosuke, as well as Tengen Uzui, one of the top members of the Demon Slayer Corps, where they run into the powerful, high-ranking demons Daki and Gyutaro.