“They say Ken Russell has gone too far this time,” begins the narrator of this fascinating behind-the-scenes look into the director’s most controversial film, The Devils. Indeed, the film’s history of censorship issues and notorious unavailability on the home video market has all but eclipsed its reputation as Russell’s most daring and excessive masterpiece—its power to shock and provoke audiences continues to stand the test of time. The ever-growing cult behind Russell and his work will undoubtedly enjoy this riveting look back on the maverick director right in the midst of filming his chaotic classic, which, negative press notwithstanding, ended up kicking off a series of successes in the 1970s.