The only son of wealthy widow Violet Venable dies while on vacation with his cousin Catherine. What the girl saw was so horrible that she went insane; now Mrs. Venable wants Catherine lobotomized to cover up the truth.
Bulldog Drummond forms a gang to rescue his wife and thwart his nemesis, Carl Peterson.
A young woman finds herself as the intended victim of a murder plot on a transatlantic flight from London to New York.
