 A U.S. intelligence operative has defected to an Eastern Bloc country and is currently housed at that nation s embassy in Washington. Briggs devises a plan in which a contortionist is needed to navigate through the ventilation system of the embassy and break into a top-security portion of the facility. What s more, Rollin will pose as an official of the nation while Barney, Willy and Cinnamon also play key roles.