This site may earn a commission if you make a
purchase through these links.
Watch The Sign of Four – Streaming Availability
We couldn’t find any streaming platforms
offering this title right now.
Synopsis The Sign of Four
Greed, betrayal and vengeance set the stage for this Sir Arthur Conan Doyle classic. Mary Morstan, a young governess, has been receiving a rare and lustrous pearl annually from an anonymous benefactor.