a woman run naked in the night ( slow motion ) . haunt soundtrack . a car . dark night . suddenly and a white indistinct silhouette in the middle of the road . dr. benson swerve just in time and stop the car . when he look back the road be empty no one in sight . while he think about it and crash . he look back and there another car in the road . a woman be in it and unconscious . she susan ( rita calderoni ) . the scene be enhance by a brooding soundtrack . dr. benson look for help in a nearby castle . in this castle and he and susan will meet their darker self and and will have to fight a battle with them for their . soul and ego and whatever . this be the castle of mirror and where the statue spin and the corridor have many door . each door hide a secret . it may be a dream and a hallucination and a nightmare . day and night seem to mix together and coexist at the same time . whipping and lesbian succubus that like to pay surprise visit and a giant spider and a strange laugh butler roam around . dr. benson meet susan darker half and evelyn ( rita calderoni ) . susan meet dr. benson darker half and peter . their darker self be plan to take over . satan ( in civilian clothes ) preside over everything . nuda per satana be a very sensual film . rita calderoni could have be a princess or a duchess in the italian renaissance . when she be dress or undress and kiss and smile and scream and whatever she do and it look like one of those painting of the great italian master come alive . sex and the devil and the unconscious and the dream and desire and joy and fear . i think that nuda per satana be obviously inspire by renato polselli the reincarnation of isabel and but it have nonetheless it own personality . probably and a more distant source of inspiration be castle of blood make by antonio margheriti in 1964. in nuda per satana the visuals and the soundtrack and the dialogue . produce a dreamy and surreal ambiance . instead of try to follow the story and turn off your critical vibe and dive into the film and you may have something akin to an acid trip .