Captain Hugh "Bulldog" Drummond is called in to solve the murder of a man from whom two lead soldiers were stolen. Drummond discovers that the two soldiers were part of a set of thirteen, which together form the key to a hidden treasure vault. Through clever detective work and a carefully orchestrated trap, Drummond is able to ensnare the culprit in the secret vault, concealed behind a fireplace. Cast: - Tom Conway as Capt. Hugh 'Bulldog' Drummond - John Newland as Algernon 'Algy' Longworth - Maria Palmer as Estelle Prager (alias Estelle Gorday) - Helen Westcott as Cynthia Stedman - William Stelling as Phillip Coleman - Terry Kilburn as Seymour - Gordon Richards as Police Insp. McIver - Harry Cording as Edward Vane - John Goldsworthy as Dr. Ashley Stedman Runtime: 64 minutes