A woman named Mary witnesses her father commit a brutal and gruesome suicide, which sets off a series of horrific events. As she reels from this traumatizing incident, she finds herself becoming the epicenter of a sinister battle. Religious figures such as priests and exorcists soon descend upon her home, convinced that she is possessed by a powerful demonic entity that must be purged. Each attempt to exorcize the demon results in shocking and violent consequences, making it clear that the malevolent force within her is far more formidable than they had anticipated.

Parallel to the escalating spiritual warfare, Mary’s psychological state begins to deteriorate. She struggles with the harrowing physical and emotional torment inflicted by both the demon and those attempting to save her. The situation spirals further out of control as dark secrets from her past come to light, revealing unsettling truths about her family's history and the true nature of her father's death. This gruesome tale of possession becomes a relentless horror experience, pitting faith and resilience against an ancient evil with unimaginable power. The narrative is driven by intense sequences of ritualistic exorcism, familial betrayal, and unspeakable horrors that blur the lines between salvation and damnation.