Captain Drummond and his girlfriend want to marry but a hidden treasure in the house in which they want to celebrate their marriage is complicating the situation involving a series of deaths and an elusive murderer.
John Howard
as Captain Hugh 'Bulldog' Drummond
Heather Angel
as Phyllis Clavering
H.B. Warner
as Colonel Nielson
Reginald Denny
as 'Algy' Longworth
E. E. Clive
as Tenny
Elizabeth Patterson
as Aunt Blanche
Leo G. Carroll
as Henry Seaton
Forrester Harvey
as Professor Downie
Clyde Cook
as Constable Hawkins
David Clyde
as Constable Jenkins
Gerald Rogers
as Police Sergeant Peters
J. Carrol Naish
as Richard Lane (Archive Footage)
