Hugh "Bulldog" Drummond, wealthy former officer of the Loamshire Regiment, dashing and strong (but not particularly handsome), places an advertisement in The Times expressing his desire for an adventure -- which arrives in the form of a reply from a young woman concerned for her father. Blackmailers, communist conspiracy, and foreign paymasters of the arch-villain Carl Peterson are encountered and lead to more adventure than Drummond ever dreamed of!
