Portrait of Alison (1955)

When a painter is falsely accused of murder and diamond smuggling, a reporter investigates the case and uncovers a secret code hidden in a portrait. As the investigation progresses, the painter's brother becomes the prime suspect, leading to a tense showdown between the police and the crime syndicate involved. Set in London in the 1950s, the movie features a web of deceit, blackmail, and jealousy.