梦魇姐妹，黑夜独舞。男朋友用嘴吃我下面正常的吗

　　Melody, Marci, and Mickey are three geeky college girls who can’t get a date. One night, they invite some geeky college guys over and have a seance that results in the girls becoming possessed and turning into sex starved vamps. Will the geek hero guys be able to stop the horrible (?) possession?