The shop owner Adolf Verloc, member of an anarchist group and secret agent for a foreign government, is summoned to meet Mr Vladimir, the country’s ambassador, and told of a plot that involves him planting a bomb at a famous London landmark. Verloc has misgivings, but Mr Vladimir knows how to make people do what he wants, and when the plan goes wrong, it is Verloc who must deal with the repercussions.

A story of espionage, intrigue and corruption based on a real-life attempted terrorist attack in Victorian London, The Secret Agent was one of literature’s first political thrillers, and is widely considered to be among Conrad’s masterpieces.