On Halloween night, after their car breaks down, a pair of teenage girls hitch a ride with a group of misfits from their high school. However, on the way an accident leads them to believe they shot a police officer, so they decide to stop at an abandoned mortuary to hide think out a solution, and engage in hedonistic activities. Problem is, the place IS inhabited... by Angela, the demon of the previous installments. Soon everyone is turning against each other as Angela kills them, deceives them, or transforms them into demons.