Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman's son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.

• DirectorRoy William Neill
• Release1 February 1946
• Genre
  Mystery / Crime
• Duration1h
• Budget?
• Revenue?
• Rate
  

  6.5
  139 reviews
• Productions

  Universal Pictures