Rebellious teen Amy defies her parents by going to a trashy carnival that has pulled into town. In tow are her boyfriend, Buzz, and their friends Liz and Richie. Thinking it would be fun to spend the night in the campy "Funhouse" horror ride, the teens witness a murder by a deformed worker wearing a mask. Locked in, Amy and her friends must evade the murderous carnival workers and escape before it leaves town the next day.
The Funhouse is a 1981 American slasher film directed by Tobe Hooper, written by Larry Block and starring Elizabeth Berridge, Kevin Conway, William Finley, Cooper Huckabee, Miles Chapin, Largo Woodruff, Wayne Doba, and Sylvia Miles. The film's plot concerns four Midwestern teenagers who become trapped in a dark ride at a traveling carnival and are stalked by a mentally disabled murderous carnie.