“Somewhere between science and superstition, there is another world. The world of darkness.” Teenage girl Regan brutally changes both in the way she looks and the way she acts, with violent outbursts on everyone who comes in contact with her. Her worried mother seeks the help of two priests to exorcise the demon inside of her and save the girl within.
The all-star cast includes Linda Blair, Jason Miller, Max von Sydow, Ellen Burstyn, and Lee J. Cobb. The film is rated R and has a running time of one hour and 2 minutes. No children under 17 will be permitted.