Tanjirō Kamado, Inosuke Hashibira, and Zenitsu Agatsuma embark on a perilous journey on the Infinity Train as they team up with Fire Hashira, Kyōjurō Rengoku, to take down a fearsome demon that has been causing destruction and claiming the lives of demon slayers. Inosuke is a fierce fighter, who was raised by wild boars and sports a boar's head, while Zenitsu, despite his meek appearance, holds hidden powers that are unleashed while he sleeps. Together, they must work to overcome the obstacles in their way and bring an end to the demon's reign of terror.
