On the Other Side of the Mirror (1977)

Yana is a teacher. Her courage intrigued the German nobleman von Cheeter. Yana receives an order from the Soviet intelligence service to go to Berlin. There she finds herself in a society that shocks her with its arrogance, cynicism and nationalistic prejudices. After giving valuable information, the Gestapo seizes her. Yana is tortured but will not betray her friends.