Watch Sherlock Holmes' Fatal Hour

Legendary detective Sherlock Holmes and his assistant Dr. Watson return to look into the case of an English foreign office diplomat Ronnie Adair, who seems to be under pressure because of large gambling debts and a meeting with the mysterious Scarlet Cardinal. After the famous detective is called in, Ronnie turns up dead in what looks like a suicide and Holmes must piece together the details of his life to find out who is the Scarlet Cardinal.

Sherlock Holmes' Fatal Hour is a 1931 mystery with a runtime of 1 hour and 24 minutes. It has received moderate reviews from critics and viewers, who have given it an IMDb score of 5.9.