. but you probably have see it or else you wouldn not be here . it so obscure that you probably stumble onto it like i do because this little known gem receive no word of mouth . from the very begin you know how the storyline will shake out but watch a our innocent redheaded nurse put the piece of the puzzle together be high quality entertainment . most horror film bombard viewer with graphic display of torture but don not look in the basement play it subtle and which make for superior suspense . note to horror filmmaker represent some of u do like subtlety . lovely and homely nurse charlotte take a job at a sanitarium but be dismay when she learn that the head doctor who hire her have a gruesome accident and she be now the subordinate to a mysterious doctor and who we all know isn not a doctor at all . the suspense be build through charlotte unraveling of event with assistance from many of the patient and but which of the patient can charlotte trust . this be a gem and be my absolute favorite true horror movie . i love re animator and evil dead but they play more for the horror comedy crowd . violence represent $ $ $ ( quite tame for horror standard but there be a decent sprinkling of gore throughout the film . the opening scene be classic while no other horror film start out well and and the end have it fair share of gore a well ) . nudity represent $ $ $ $ ( eager to fall in love allyson ( betty chandler ) spend a good deal of time naked and attempt to seduce half the men at the sanitarium . betty chandler be a knockout and i be shock that this be her only film credit ) . story represent $ $ $ $ ( the story be well handle despite the premise get a lot of mileage in hollywood . the script have a knack for building suspense and never fails to place poor charlotte in a precarious situation ) . act represent $ $ $ $ ( betty chandler do the best job here a allyson and capture dementia with naiveté in an ethereal form . the judge be splendid as well and weigh fact before he come to a verdict while rosie holotik a charlotte give a genuine performance a you will feel for her character .