London Liverpool Street is a central London railway terminus and connects London Underground station in the north-eastern corner of the City of London.
The row of telephones under the stairs by the Liverpool Street station exit, where Hunt and Phelps meet, has been replaced by cashpoint machines since filming took place in 1995.
When Ethan Hunt, the leader of a crack espionage team whose perilous operation has gone awry with no explanation, discovers that a mole has penetrated the CIA, he's surprised to learn that he's the No. 1 suspect. To clear his name, Hunt now must ferret out the real double agent and, in the process, even the score.