Evangelist Carlton Pearson is ostracized by his church for preaching that there is no Hell.
15 year-old Alejandro Duran, who comes from a religious Latino family, aspires to one day be a Catholic priest. But when Alex discovers a mysterious box he unwittingly unleashes a demonic spirit bent on possessing him. Alex must find a way to defeat this ancient demon, which has been tormenting children since the dawn of man, before it destroys him and everyone he loves.
Brimstone is a suspenseful tale of guilt and retribution that unfolds at the end of the 19th century. A dark, violent and epic western about a young woman (and her family) whose lives change drastically when a diabolical preacher comes to town.