Tanjiro sa nachádza na ceste Demon Slayer k uchovávaniu jeho sester a avenge jeho rodiny! In Taisho-era Japan, kindhearted Tanjiro Kamado makes a living selling charcoal. Ale jeho peaceful life is shattered when a demon slaughters jeho rodina rodiny. His malý sester Nezuko je s len survivor, ale shoda sa transformuje do demon herself! Tanjiro sets out on a nešťastný journey to find a way to return jeho sister to normálne a destroy demon, ktorý ruined jeho život. Po stredoškolských prípravách a školeniach, Demon Slayer Corps má face-to-face s ich nemesis, Muzan Kibutsuji. It is a desperate battle a several Demon Slayers má already been killed. Tanjiro himself has engaged Muzan, and, despite giving it everything he has, is taken out of the fight! Although severely injured and near death, he sees a vision of jeho ancestor that may hold the key to finally destroying Muzan! Can Tanjiro obnoví strength do boja Muzan do finish?