The sudden death of a boss (and friend) plunges MI5 agent Johnny Worricker (Bill Nighy) into a dangerous mystery that threatens to break apart his entire organization. Can he and his neighbor (Rachel Weisz), a beautiful political activist, navigate the treacherous world of espionage to uncover the warnings contained in a secret file? The riveting made-for-TV British thriller “Page Eight” (2011) co-stars Michael Gambon, Judy Davis, Ralph Fiennes. Next, Worricker (Nighy) returns in “Turks & Caicos” (2014), retreating to a remote island to escape the demands of his job. His paradise breather is short-lived, though, after an American spy's (Christopher Walken) influence leads him to the murder of a businessman and a public relations associate (Winona Ryder) who appears to be keeping secrets. With Helena Bonham Carter, Fiennes. And, “Salting the Battlefield” (2014), the concluding chapter in the Worricker trilogy finds the MI5 agent (Nighy) crossing the German countryside with ex-girlfriend Margot (Carter) in order to avoid being captured by those working on behalf of England's corrupt prime minister (Fiennes). Now, Worricker realizes that in order to save himself, the truth about his country's top official will have to be exposed. With Felicity Jones, Davis. 5 3/4 hrs. total on three discs. Widescreen; Soundtrack: English.