A desperate, but highly respectable schoolmaster collapses at Holmes' door. His prize pupil, the son of a wealthy duke, has vanished, seemingly without a trace. And, why is Holmes getting such poor cooperation in his investigation?

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Main Cast: Eille Norwood, Hubert Willis, Tom Ronald, Charles Croker-King, Irene Rooke, Mme. d'Esterre, Leslie English, Patrick Key, Cecil Kerr

Director: Maurice Elvey

Writer: Charles Barnett

Editor:

Cinematographer:

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