Chinese ventriloquist Gordon Cobb is murdered by a gang of jewel thieves. Baffled by the contradictory clues, Inspector Queen asks his son Ellery to help out.

Talk story about the true identity of the Ellery Queen mystery-story writers; Manfred B. Lee, and Frederic Dannay who also write under the name of Barnaby Ross. The radio Ellery is Hugh Marlowe ...