His Last Bow · Chapter
The Adventure of the Bruce-Partington Plans explained
In November 1895, a dense fog envelops London, driving Holmes to restless boredom until a visit from his brother Mycroft reveals the theft of secret Bruce-Partington submarine plans and the murder of young clerk Arthur Cadogan West.
What happens
In November 1895, a dense fog envelops London, driving Holmes to restless boredom until a visit from his brother Mycroft reveals the theft of secret Bruce-Partington submarine plans and the murder of young clerk Arthur Cadogan West. Holmes, Watson, Mycroft, and Inspector Lestrade investigate, uncovering clues that lead them to the house of Hugo Oberstein, a foreign spy. Through a clever advertisement, they lure a suspect, who turns out to be Colonel Valentine Walter, the brother of the late Sir James Walter, head of the Submarine Department.
Themes in this chapter
Patriotism and War
The theft of the Bruce-Partington submarine plans highlights national security and the threat of foreign espionage, with Holmes acting to protect England.
Deception and Identity
Holmes uses a fake advertisement to lure the spy, and Colonel Valentine Walter is revealed as an unexpected traitor, showing how appearances deceive.
Crime and Justice
The investigation into the murder and theft involves breaking into a house, but Holmes justifies it for the greater good of justice and national safety.
Characters to notice
- Sherlock Holmes
Restless due to fog, he investigates the theft of submarine plans and captures Colonel Valentine Walter.
- Dr. Watson
Accompanies Holmes, recounts the case, and feels the tension of the national importance.
- Mycroft Holmes
Visits Baker Street to enlist Sherlock's help in the Cadogan West case, described as the most indispensable man in the country.
- Inspector Lestrade
Participates in the investigation and criticizes Holmes's burglary methods.
- Colonel Valentine Walter
Captured at Oberstein's house after responding to Holmes's advertisement; revealed as the younger brother of Sir James Walter.
- Arthur Cadogan West
The murdered clerk suspected of stealing the plans; his fiancée Miss Westbury provides background.
- Miss Violet Westbury
Cadogan West's fiancée, who recounts his last evening and his remarks about the plans.
- Mr. Sidney Johnson
Senior clerk at the Submarine Department, who describes the office security and his belief in West's guilt.
Key passages
“For England, home and beauty—eh, Watson? Martyrs on the altar of our country.”
Holmes jokes that they are sacrificing themselves for the sake of England.
Holmes justifies their burglary as an act of patriotism.
“You can write me down an ass this time, Watson. This was not the bird that I was looking for.”
Holmes admits his mistake when Colonel Walter appears instead of the expected spy.
Holmes's surprise at capturing the wrong man.