Page Eight (2011)

Longtime MI5 agent Johnny Worricker suffers the death of his boss and best friend, Benedict Baron. In addition, Worricker must take charge of a file that threatens the stability of the organization. On the other hand, he meets Nancy Pierpan, a political activist whom he finds striking to have as a neighbor. This TV movie started the Worricker character trilogy, with Bill Nighy playing the character, and an incredible supporting cast. Ideal if you are looking for a powerful political thriller.