As his wedding to Phyllis Clavering approaches, 'Bulldog' Drummond has taken extreme precautions to avoid getting caught up in another adventure that would delay the wedding. But even as they make their final preparations, their friend Colonel Neilson is being kidnapped by a gang headed by the traitorous Richard Lane. Phyllis witnesses the abduction, and quickly finds Drummond to tell him. They track the gang to Morocco, where they will face many obstacles to their goal of rescuing Neilson.