Flame Hashira Kyojuro Rengoku receives new orders: Travel to the Mugen Train, where over forty people have gone missing, and conduct an investigation.
Leaving the Demon Slayer Corps Headquarters, he sets off on this new mission.
I'm following in my father's footsteps,
slaying demons.
Yo seguí sus pasos
como cazador de demonios.
Yo seguí sus pasos como matademonios.
Eu estou caçando onis, herdando 
o trabalho do meu pai.