"The 39 Steps" is a 1935 British thriller film directed by Alfred Hitchcock. The story follows Richard Hannay, a man who becomes embroiled in a conspiracy after a mysterious woman is murdered in his apartment. He is falsely accused of the crime and must go on the run to clear his name while uncovering a spy ring. The film is based on the 1915 novel of the same name by John Buchan. It is known for its suspenseful plot, clever twists, and iconic scenes, including the famous chase across the Scottish moors. "The 39 Steps" is considered one of Hitchcock's early masterpieces.