FADE IN: A NOTE ON LANGUAGE Dialogue is rendered in English throughout. Characters speak German and Russian as indicated by context. Parenthetical notes mark language switches where dramatically relevant. All dialogue between Katrin and Morozov occurs in English, their shared professional language. Katrin speaks German with Lena and other BND personnel. Morozov occasionally lapses into Russian during moments of emotional exposure, rendered in English with parenthetical notation. EXT. DANUBE EMBANKMENT, VIENNA. PRE DAWN. Grey water. Grey sky. The Danube moves through Vienna the way it has for centuries, unconcerned with anything happening on its banks. A MAN walks the embankment path. COLONEL ARKADY MOROZOV, 56, heavyset, wearing a wool overcoat that was expensive a decade ago. He carries a worn leather satchel close to his body. He passes the EMBASSY OF THE RUSSIAN FEDERATION. Does not look at it. Does not slow. Three blocks further. The American Embassy. Lit from within. Morozov slows. Stops. His right thumb presses against his left palm. He turns away and keeps walking. Two more blocks. The German Embassy. Quieter. Limestone facade. Morozov stops. Forty seconds pass. A security guard inside the lobby notices him through the glass. He adjusts his coat. Crosses the street. Pushes through the embassy door. The embankment behind him is empty. The river continues. INT. BND VIENNA STATION. MORNING. Fluorescent light. Government carpet. The Vienna Station occupies three floors of an office building that could house an insurance company. KATRIN VOGT, 42, tall, angular, dark hair pulled back, moves