“The Orphan Killer” is a groundbreaking slasher film that challenges traditional genre boundaries. It surpasses contemporary gore trends, introducing a fresh and intense form of horror. The story follows Marcus Miller, a relentless serial killer determined to instill a twisted sense of family loyalty in his estranged sister, Audrey. His methods involve extreme and shocking brutality. As Audrey endures his horrific torment, it becomes clear that Marcus isn’t the only one in the family with a killer instinct, as she emerges as a surprisingly strong opponent.