A New Orleans entertainer falls for a pirate who has another identity.
Bulldog Drummond is injured when his sabotaged car crashes and Jack Pennington agrees to masquerade as the sleuth.
Bulldog Drummond goes up against foreign agents trying to steal plans for a top-secret aircraft.
A bank-robbery in London prevents - again - the marriage of Bulldog Drummond with his girlfriend. But this time when the delinquents are caught it will be celebrated at last.
