A blind young suicide-hotline operator descends into a night of unrelenting terror when an obsessive caller turns out to be a serial killer. A blind young suicide-hotline operator descends into a night of unrelenting terror when an obsessive caller turns out to be a serial killer. A blind young suicide-hotline operator descends into a night of unrelenting terror when an obsessive caller turns out to be a serial killer. A blind young suicide-hotline operator descends into a night of unrelenting terror when an obsessive caller turns out to be a serial killer.
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