1 ฤดูกาล
6 ตอน
Dangerous Knowledge - Season 1 Episode 5
Kirby staggers home after being wounded at an intended rendezvous. He sends his son, Robin, to convince Laura not to return to school for the next term immediately and join him in an attempt to convince her stepfather that a dangerous traitor is serving as one of his key security advisers.
- ประเทศ : United Kingdom
- ประเภท : Mystery
- ผู้อำนวยการ : N.J. Crisp
- นักแสดง : John Gregson, Prunella Ransome, Patrick Allen, Ruth Trouncer, Ralph Bates
