Three naïve guys, in their 20s, drive from Illinois to LA. A sleazy real-estate agent gives them a great deal on a house in the Hollywood Hills. The night they arrive, a solitary Mexican, who speaks only Spanish, tries to warn them that the place is possessed by Satan. They don't understand him, move in, and plan a party after they meet Lucy, their gorgeous neighbor from down the hill. An old friend of theirs, studying to be a priest, joins them. In the basement is a portal to Hell, so at the pa...