MADDIE CURTIS and her friends LILY and SUZANNE go to a wild Halloween party thrown by party producer ANGELA FELD at the infamous Broussard mansion outside of New Orleans. Maddie and Lily both run into their respective ex-boyfriends COLIN and DEX, who's there with his friend JASON. After the cops break up the party, Colin and Angela make a grisly discovery. Soon all seven are trapped in the house, slated to become victims of an ancient demon called Septem. As Angela, Dex, Lily and Suzanne fall prey, it's up to Maddie, Colin and Jason to solve the mystery of Broussard House and make it through the night, if they can...