The Bruce Partington Plan

The Bruce Partington Plan

Available on BritBox, Prime Video, Tubi TV
S4 E5: A young man is found murdered on a railway line leading from the underground. Plans of a secret submarine are found in his pocket. Is he a hero or traitor? Aided and abetted by brother Mycroft, Holmes and Watson search for the killer of Cadogen West and look to secure the missing papers.
Starring Charles Gray, Denis Lill