In this unsettling story, we follow a psychiatrist named Dr. Rose Cotter, who works with patients suffering from deep traumas and inexplicable distress. After witnessing a tragic event during a session with one of her patients, Rose begins to experience a series of terrifying phenomena. The horrifying smiles of those around her seem to manifest as a supernatural curse that relentlessly stalks her.
As she tries to unravel the truth behind this strange entity, the tension escalates and her sanity comes under threat. The deeper she delves into the dark secrets of her own life and her patient's history, the more Rose confronts the possibility that her own mind may be a deadly enemy. The terrifying visions and the feeling that something is lurking nearby intensify, turning every mundane interaction into an act of survival.
As the line between reality and madness blurs, Rose realizes she must break the cycle before it's too late. Events spiral toward a frantic climax where dark secrets are revealed and her courage is put to the test. This film delivers a deep exploration of trauma, mental health, and the ways in which fear can distort the perception of reality, keeping the audience on the edge of their seats until the very last second.