Smiley's People - Series 1: Episode 3

Two seemingly unconnected events summon master spy George Smiley out of retirement.

Vladimir had two proofs and was bringing them with him.

Smiley gets into trouble with his superiors, who want the investigation closed.

Smiley is hot on the trail leading to Karla but must make the ultimate sacrifice.

The final confrontation between Smiley and Karla takes place.