Peeping Tom follows Mark Lewis, a shy focus puller by day and obsessive filmmaker by night, who murders women while recording their terrified faces on camera. Directed by Michael Powell, the film was radically ahead of its time, exploring voyeurism, trauma, and the complicity of the audience in the act of watching. Though initially reviled and career-destroying for Powell, it is now recognized as a landmark psychological horror masterpiece alongside Hitchcock's Psycho.
Michael Powell's career never recovered from the controversy surrounding this film, although it has since been reappraised as a masterpiece