"Bull-dog Drummond: The Adventures of a Demobilised Officer Who Found Peace Dull" by H. C. McNeile is a novel published in 1920. When restless ex-Army Captain Hugh Drummond advertises for adventure in The Times, he receives a desperate reply from a young woman whose father is being blackmailed. The case leads Drummond into a dangerous conspiracy involving archvillain Carl Peterson, who plots a communist coup d'état in Britain for profit. Captured and escaping multiple times, Drummond must rely on his ex-army friends to stop Peterson's scheme. (This is an automatically generated summary.)