The document analyzes the opening sequence of Alfred Hitchcock's 1958 film Vertigo. It summarizes that the opening features a close-up shot of a frightened woman's face that turns red, representing danger, while mysterious spirals emerge from her eye. This is followed by a rooftop chase scene between three men, including a policeman and the main character. The opening establishes the thriller genre through its dark tone, mysterious music, and lack of context or character introductions.