Second episode

The Adventures of Sherlock Holmes and Dr. Watson: The twentieth century begins – Season 1

Junior clerk at the Arsenal office, Arthur Cadogan West, is found murdered on the tube tracks. Plans for the Bruce-Partington submarine, which had been kept in a secure safe in the Secret Department - in a room adjacent to the Arsenal - were found in West's pocket. He had seven plans on him, but three of the most important ones were missing...