Jonah Der Graven is a young exorcist from a long line of exorcists. He is skilled, devoted to his work, and has a mysterious aura that draws people to him. Despite his intimidating appearance, Jonah has a kind and gentle heart, and is fiercely loyal to his family and loved ones. While on an assignment to exorcise a powerful spirit from an old house in the forest, he becomes ensnared in a deadly battle that tests the depth of his resolve and skills.