Crime novelist Roger Blackwood competes with hotel house detective Andy McCabe in solving a murder by poisoning at a medical convention.

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Main Cast: Edmund Lowe, Victor McLaglen, Rosemary Ames, Mary Carlisle, Henry O'Neill, C. Henry Gordon, William Janney, Charles C. Wilson, John Wray, John Qualen

Director: Eugene Forde

Writer: Arthur Kober

Editor:

Cinematographer: Ernest Palmer

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