1 ฤดูกาล
6 ตอน
Dangerous Knowledge - Season 1 Episode 4
Kirby obtains evidence that a key advisor to the British was a trained as Russian KGB agent and enters into negotiations with an American who implies he's working for the CIA. Kirby doesn't entirely trust the man, but agrees to secret rendezvous to exchange the information he's gathered. Meanwhile Roger Fane orders Laura to have no more dealings with Kirby, whom he regards as a potential traitor.
- ประเทศ : United Kingdom
- ประเภท : Mystery
- ผู้อำนวยการ : N.J. Crisp
- นักแสดง : John Gregson, Prunella Ransome, Patrick Allen, Ruth Trouncer, Ralph Bates