In Taisho-era Japan, kindhearted Tanjiro Kamado makes a living selling charcoal. But his peaceful life is shattered when a demon slaughters his entire family. His little sister Nezuko is the only survivor, but she has been transformed into a demon herself! Tanjiro sets out on a dangerous journey to find a way to return his sister to normal and destroy the demon who ruined his life.The Demon Slayer Corps plunges into Infinity Castle to confront Muzan. Shinobu engages in a fierce fight against Doma, the Upper Rank 2 demon. Poison doesn?t work on him, so she finds herself in an intense struggle.