Spain, 1937. Ramón Mercader, a young communist combatant, is recruited and trained by the Soviet intelligence service to participate in a top secret mission ordered by the ruthless dictator Joseph Stalin: the assassination of his former political rival, Leon Trotsky, who is living in exile in Mexico.

• Oberón Cinematográfica
• Alebrije Producciones
• Alfonso Herrera
• Hannah Murray
• Henry Goodman
• Julian Sands
• Elvira Mínguez
• Emilio Echevarría
• Frances Barber
• Alejandro Calva