 Q deduces that Silva, who has disguised himself as a Metropolitan Police Service officer, wanted to be captured as part of a plan to kill M, whom he resents for disavowing and betraying him to the Chinese government in 1997, leaving him to be tortured and disfigured.Bond gives Silva chase through the London Underground and thwarts Silva's attack at a Parliament inquiry where M is present.Instructing Q and Bill Tanner to leave an electronic trail for Silva to follow, Bond takes M to Skyfall, Bond's childhood home in the Scottish Highlands.