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Plot
In October 2009, the filmmakers went into an abandoned psychiatric hospital to explore the 'haunted' institution, famous for its radical treatment of patients with mental illness. Electroshock, insulin therapy, and lobotomies were commonplace. Once inside, the filmmakers quickly discovered that they were not alone; this story is based on their experiences...
Where to watch Greystone Park?
Greystone Park is a horror movie featuring Oliver Stone.
Greystone Park is currently streaming on Netflix.