After a hotel reservation mix up, two sisters Karen and Jennifer, and their friend Vicki Thompson, meet a friendly, but shady character named Ernest Keller. Ernest convinces the women into accepting an invitation for cheap room and board at his large farmhouse where his wife Virginia also lives. Once there, Jennifer and Karen leave for the holiday parade fair which Jennifer, a news reporter, is reporting on. At the festival, Jennifer is met by her soon to be ex-boyfriend, Tony, who gets her to stay behind to talk about their relationship. Meanwhile, back at the house, Vicki prepares to take a nap in her room, but is attacked by an unseen figure. The unseen eventually begins to pull Vicki into a floor vent when she tries to escape. At the parade, Karen leaves Jennifer and Tony to talk, and makes her way back to the house alone—where she too is then attacked and killed by the unseen, as it attempts to pull her by her hair through a vent into the basement. Virginia, who had been in the b ...