"Miss Froy" is a character from the 1938 British film "The Lady Vanishes," directed by Alfred Hitchcock. She is an elderly governess who mysteriously disappears while traveling on a train through Europe. Her vanishing sparks a series of events that lead to a thrilling investigation. The film follows a young woman named Iris Henderson, who, along with a group of passengers, tries to uncover the truth behind Miss Froy's disappearance. The story combines elements of mystery and comedy, showcasing themes of perception and trust among strangers.