"He may be a child, but he's definitely one of yours."

The year: 1964.

The Cold War is at its height, with the United States and the Soviet Union narrowly avoiding all-out war just two years ago. It's an age of tradecraft, with CIA and KGB agents vying to outmaneuver one another in their worldwide game of musical chairs. Battle lines and allegiances shift with the wind.

Desperate for the upper hand, the Russians are closing in on a weapons technology breakthrough deep in the darkest corner of the Soviet Union: Tselinoyarsk, the "Virgin Cliffs." Doctor Nikolai Sokolov, the would-be defector returned to Russia in the Cuban Missile Crisis, is worked tirelessly against his will to bring his project to fruition: the Shagohod, a nuclear-equipped battle tank poised to single-handedly swing the balance of the Cold War.

With the cl ...