Alexander Eberlin, a double agent, is tasked by the British to track down a Russian spy known as Krasnevin. Unbeknownst to everyone, Eberlin himself is Krasnevin.
A Dandy in Aspic
In the midst of the Cold War, British and Soviet Intelligence agencies engage in a cat-and-mouse game, utilizing double agent Krasnevin, also known as Alexander Eberlin, to gain the upper hand.