Night of the Demons is a 2009 American horror film and remake of the 1988 film of the same name. It was directed by Adam Gierasch, who also cowrote the screenplay with Jace Anderson, and stars Monica Keena, Shannon Elizabeth, Diora Baird, Edward Furlong, Bobbi Sue Luther, and Michael Copon.
Cut to present day a girl named Maddie goes to a party held by Angela Feld with her friends Lily and Suzanne. She realizes her exboyfriend Colin is there, dealing drugs. Also there is Lilys exboyfriend Dex and his friend Jason. At the party, Angela prompts everyone to go wild, as she must make money off the party or she will have to live on the streets. Lily and Dex eventually reunite, while Suzanne becomes incredibly drunk. Maddie goes to the toilet, only to have a hand grab her through the mirror. They pass it off as an elaborate trick placed by Angela.Police break up the party. Panicked, Colin stuffs his drugs into a grate to hide it from the police before leaving. Maddie, Lily, Dex and Jason leave with the rest, leaving an upset Angela alone in the house. After a while, the group returns, unable to find Suzanne, who is revealed to have passed out. Colin returns for his drugs and, with Angela, goes into the basement to find them. The pair find a hidden door, and Angela remarks that the house is full of hidden rooms, including a tunnel that leads to the next estate over. They enter the room and find six skeletons. Angela surmises that the skeletons are the remains of the missing party guests of Evangeline Broussard. ........
Source: Wikipedia