Alfred Hitchcock – Blackmail (1929)
After killing a man in self-defense, a young woman is blackmailed by a witness to the killing.
On 26 April 1929, Scotland Yard Detective Frank Webber escorts his girlfriend Alice White to a tea house. They have an argument and Frank storms out. While reconsidering his action, he sees Alice leave with Mr. Crewe, an artist she had earlier agreed to meet.