The terror of witch trials in 18th-century Austria provides atmosphere for 1970's "Mark of the Devil," which examines the horror of weaponized accusations and frightening torture methods used to extract confessions. The production looks to sell itself as a fact-based study of history, but viewers will quickly realize the movie is merely exploitation, with a heavy emphasis on human suffering and exposed bodies. Co-writer/director Michael Armstrong isn't shy about focusing on agony, but there's some effort to put a story together, dealing with the drama of lustful people and their battle with political and religious order, which makes for an acceptable soap opera. Read the rest at Blu-ray.com