Boris Turganev (Murray) is a Russian scientist who has absconded from a Communist prison in an attempt to achieve a better life working for the British. As Boris struggles to make his superiors believe he is there to work and not to spy for the Russians, an office romance blossoms that could put his mission in jeopardy.

Boris Turganev, un scientifique russe qui s'est enfui d'une prison communiste, a de la difficulté à convaincre ses supérieurs Britanniques qu'il est là pour travailler et non pour espionner pour les Russes.