Drummond goes up against foreign agents who are trying to steal plans for a top-secret aircraft.

Bulldog Drummond finds himself immersed in another adventure when he stumbles upon a corpse in the mysterious London mansion of Prince Achmed. Enlisting the help of his old friend Algy and the beautiful Lola, Drummond uncovers a scheme to ship illegal cargo into the country. He must rely on his cunning to survive when the prince offers a reward for his capture.

Bulldog Drummond forms a gang to rescue his wife and thwart his nemesis, Carl Peterson.

In Bulldog Drummond, a young adventurer finds himself trapped in a deadly game of cat and mouse. With a stormy night as the backdrop, the world war one veteran uses his wit and courage to outsmart his enemies. As he navigates through a web of lies and deceit, Bulldog Drummond encounters a femme fatale, an evil scientist, and a secret hideout. With the fate worse than death hanging in the balance, Bulldog Drummond must uncover the truth before it's too late.