David Callan is the top agent/assassin for the Security Service (British counterintelligence), but he is an embittered man who performs his duties "for Queen and country" under duress. This bleak, "Spy who Came in from the Cold"-style espionage drama concentrates on the seamy underside of covert operations: assassinations, blackmail and dirty dealing.
Cast:Edward Woodward , Russell Hunter , Lisa Langdon , Anthony Valentine , William Squire , Patrick Mower , Geoffrey Chater , Ronald Radd , Derek Bond , Clifford Rose , Paul Williamson , Michael Goodliffe , T.P. McKenna , Harry Towb , John Wentworth , Sarah Lawson , Peter Blythe , Frank Coda
Recovering after months in hospital, Callan finds he may well get sacked unless he can pass several tests. Lonely is arrested and faces a long prison term unless Callan can hire a highly successful, and expensive lawyer for him.
When Callan and Cross's tail on a Polish operative goes horribly wrong and an innocent bystander dies, Callan must testify at the inquest. His dilemma: perjure himself or implicate his fellow agent and expose the section.
Surtees, a British agent recently returned in a prisoner exchange, threatens to publish an explosive tell-all account of his activities, complete with scandalous details. Suspecting that the KGB has turned Surtees, Hunter orders Callan to stop him.
The entire section goes on red alert when Liz, Hunter's ever-punctual secretary, fails to show up for work. Trying to trace her, Callan begins to suspect that Liz's disappearance involves not an enemy from the present, but a ghost from her past.
Lady Janet Lewis--the beautiful widow of an ex-foreign secretary--accepts a TV producer's lucrative offer for an interview about her husband. Suspicious of the producer's intentions, Hunter assigns Callan to stop her, but the assignment gets personal.
When Heathcote Land receives incriminating photos of his company's sales manager in bed with a mistress, Callan tries to persuade him not to expose the man. But Land knows too well how such games are played.
Callan must break up the engagement between a lovely NATO interpreter with a grade-A security clearance and a man suspected of serving as a KGB informant. Does the woman's fiance really love her? Or does he love Moscow more?
By surrendering to the police, wily KGB operative Nikolai Lubin seeks safety in a British prison, out of reach of Hunter and the section's interrogators. Hunter, however, has other plans--engineering Lubin's "escape" under the guise of a KGB operation.
Amos Green is a politician with the combustible view that "coloured immigration is dangerous to Britain and must stop".