Gothika (2003)

A woman's carefully constructed life is upended when an unwelcome shadow from her past returns, forcing her to confront the monster she's evaded for two decades.

Dr. Steven Murphy is a renowned cardiovascular surgeon who presides over a spotless household with his wife and two children. Lurking at the margins of his idyllic suburban existence is Martin, a fatherless teen who insinuates himself into the doctor's life in gradually unsettling ways.

Madison is paralyzed by shocking visions of grisly murders, and her torment worsens as she discovers that these waking dreams are in fact terrifying realities with a mysterious tie to her past.

After witnessing a haunting in their hospital, two doctors become dangerously obsessed with obtaining scientific proof that ghosts exist.

Alice Gould, a private investigator, pretends to be mentally ill in order to enter a psychiatric hospital and gather evidence for the case she is working on: the death of a patient in unclear circumstances.

Under investigation as a suspect in her husband's murder, a wife reveals details of their thorny marriage that seem to only further blur the truth.

In a rambling, isolated house, Emily’s first night-shift as carer to an elderly dementia patient turns into a nightmare as she is tormented by a vengeful spirit and uncovers the house's dark secrets.

A woman is sent to a mental institution after stabbing her classmate in an attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed with the phenomenon.

On the day of his scheduled execution, a convicted serial killer gets a psychiatric evaluation during which he claims he is a demon, and further claims that before their time is over, the psychiatrist will commit three murders of his own.

An Oxford Medical School graduate takes a position at a mental institution and soon becomes obsessed with a female mental patient, but he has no idea of a recent and horrifying staffing change.