An MI6 agent tries to make contact with an old friend who now works at the Russian embassy tells him that his father was a Russian spy and he suspects his father may have been involved in 'Operation ' a network of secret caches hidden by the KGB in strategic locations in western countries.

Starring:

Andrew Scott, Romola Garai, Charlie Cox, Olivia Grant, Geraldine James, Alec Utgoff, Christian McKay, Simon Russell Beale, Tessa Peake-Jones, Richard McCabe, Barrie Martin, Charlotte Randle, Erick Hayden, Robert Ashby

Genre:

Thriller