 Trianon kills his fiancee who raised suspicions on his double life and then attempts to commit suicide when arrested, but the KGB secures his apprehension and interrogation.At the same time in Nagonia, Soviet counterintelligence agent "Slavin" (Yuri Solomin) risks his life assisting in identification of "Trianon" and preventing local CIA resident "Glabb" (Vakhtang Kikabidze) from staging a coup d'etat in the country by pro-American General Ogano against ruling progressive president Grisso.Several foreign whistleblowers providing Slavin with information are killed by Glabb's order.