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S4:E15 Code Name: Heraclitus (1)
First Aired: January 18, 1967
Frank G. Wheatley is a British spy who is investigating the past of Lydia Constantine, the widow of a secret agent. Constantine is suspected of selling Cold War secrets to the Communists. To ascertain the truth, it is necessary to ""rebuild"" Constantine and send his living counterpart behind the Iron Curtain.
