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? ⅰⅱⅲ住在別墅里的科學家詹尼·瓦瑟希望將蛇的新陳代謝移植到人體內  。 他被忽視的妻子卡拉（瑪麗亞赫德曼）同時利用一切機會用精良的管家戴綠帽子。 與此同時，他的青春期女兒安娜（Cinzia DiCarolis）從修道院學校回來。 她的性感瘋狂的繼母對她產生了打擊，但這位女孩在她保護她兩次被強奸之后變得非常迷戀她父親的轉基因蛇 。Prof. Gianni, a scientist, sequestered in his villa wants to transplant the metabolism of the snakes into the human body. His neglected wife Carla meanwhile takes every opportunity to cuckold him with the butler when he is in the laboratory . Meanwhile his adolescent daughter Anna returns from convent school. Her sex-crazed step-mother hits on her, but the girl instead becomes quite enamored with her father's genetically modified snake after it protects her twice from being raped.