Colonel Barclay is found dead and his wife is arrested for the murder, but Holmes is convinced a missing door key will reveal the true killer.
Stoll Picture Productions
The Adventure of Sherlock Holmes' Smarter Brother
The Seven-Per-Cent Solution
The Hound of the Baskervilles
Sherlock Holmes
Young Sherlock Holmes
The Spider Woman
Terror by Night
Dressed to Kill
Sherlock Holmes and the Secret Weapon
Adventures of Sherlock Holmes