1x1 - Kingsmate

April 7, 1970

Under cover of being Master of a Cambridge College, Sir Iain Dalzell is head of a top British spy ring. His daughter Diana is captured by enemy agent General Hovaths.

1x2 - Target

April 14, 1970

Sir Iain orders lawyer and spy Philip West to escort a professional assassin, Morgan, back from Portugal to England. But West's assignment is not as easy as it appears.

1x3 - A Walk with the Lions

April 21, 1970

Spy Philip West is sent by Sir Iain to investigate the disappearance of several British agents in Lisbon. But he is captured by the opposition and interrogated.

1x4 - One for the Lobster Pot

April 28, 1970

Philip West is detailed to locate an enemy agent who is planning the theft of a missile guidance system. His investigation takes him to Cornwall - and lobster pots.

1x5 - Come Home to Paradise

May 5, 1970

Two agents from a spy-training centre are chosen for a ""suicide mission"". Are they trustworthy? And more important for Sir Iain - is the man who trained them to be trusted?

1x6 - Warhead

May 12, 1970

A Russian bomber jettisons two nuclear warheads just outside Bulgaria. Sir Iain is ordered to photograph the missiles before they are retrieved. But they are held in a maximum security police headquarters at the fishing village of Borku, and there is less than twenty four hours in which to act.

1x7 - The Big Plant

May 19, 1970

Penelope Blanchard, an elderly civil servant has assisted MI17 in the past. Now, asked to help again, she is strangely reluctant. Philip West has to find out why.

1x8 - The Quickness of the Hand

May 26, 1970

Philip West misses his opportunity to abduct the scientist Rena Szarvos en route to a conference. He is compelled to attempt the oldest approach - seduction. But others have similar ideas.

1x9 - Have a Word with Greco

June 2, 1970

Greco, an enemy agent, is planning a conference of all the Eastern countries. Sir Iain's task is to find Greco and stop the conference taking place.

1x10 - The Alpha Men

June 9, 1970

The pseudo-philosophical Society of Alpha trades in secrets and subversions, tapping the minds of its members by means of hypnosis. Philip West and Diana join the Society as part of their investigation.

1x11 - Appointment in Prague

June 16, 1970

Two theses, on which Doctor Petrie has based his reputation, are revealed as forgeries. He has been sponsored by Karl Dickinson, scientific benefactor, and Sir Iain suspects both men of not being what they seem.

1x12 - Opening Gambit

June 23, 1970

Goric, a foreign agent, comes to Britain to attend a chess tournament where he will receive some top secret microfilm. Unfortunately he becomes indisposed so Philip West goes in disguise - having hopefully brushed up on his knowledge of chess.

1x13 - The Unbidden Guest

June 30, 1970

Vaslav Baroviev, a Russian writer visiting Cambridge, asks for asylum. But Sir Iain soon discovers that there are people who wish to prevent his defection.

Alexandra Bastedo

Diana Dalzell

Clifford Evans

Sir Iain Dalzell

Anthony Valentine

Philip West

Brian Peck

Culliford