Lucie, a young woman, is haunted by a traumatic childhood experience. After escaping from captivity and torture, she's been plagued by nightmares of her ordeal for years. With the support of her best friend, Anna, Lucie sets out on a quest for revenge against the people she believes are responsible for her suffering. The pursuit leads the duo to an isolated house, where Lucie confronts the family living there, convinced they were her tormentors. In her quest for vengeance, Lucie finds herself drawn deeper into a cycle of violence, triggering a series of events that threaten to unhinge her fragile grasp on reality. Her actions set off a chain reaction, raising questions about the nature of her trauma and the shadows that lurk in the past.

As Anna delves into the aftermath of Lucie's revenge, she discovers a horrifying secret underlying the motive behind the torture Lucie endured. What starts as an attempt to support her friend and uncover the truth spirals into a nightmare. Anna finds herself caught in a web of conspiracy that involves a mysterious society with a dark agenda. This society seeks to understand the transcendence of the human soul through suffering, believing that the key to enlightenment lies in the threshold between life and death. Anna's journey becomes a terrifying exploration of both the physical and psychological limits of human endurance, challenging her sanity and the very fabric of her beliefs.