Again on the eve of his wedding Captain Hugh Drummond (John Howard) has more pressing concerns when he sets off from London for Spanish-Morocco, because his fiancée Phillis Clavering (Heather Angel (actress)) has seen Colonel Nielsen (H.B. Warner) from Scotland Yard being kidnapped by an international criminal gang. Their intent is to force him to reveal the secrets of the British Empire's latest military technology. With his fiancée (Heather Angel), chum 'Algy' (Reginald Denny), & valet 'Tenny' Tennyson (E.E. Clive) in tow, Bulldog outwits Scotland Yard's bureaucratic blundering, flies his own plane 1200 miles only to find more bureaucratic blundering by the local British Consul ordering him home without delay. Drummond and his friends aren't easy to get rid of however and soon they mount a rescue plan, liberating the Colonel Nielsen, saving the Empire and throwing the villain to his own captive lions in the process.
John Howard as Capt. Hugh Chesterton "Bulldog" Drummond