Maria is married to Captain Franck of German Intelligence. He does not know she is a Russian assigned to spy on him. When he is told to uncover a leak, he vows revenge on his wife.Maria is married to Captain Franck of German Intelligence. He does not know she is a Russian assigned to spy on him. When he is told to uncover a leak, he vows revenge on his wife.Maria is married to Captain Franck of German Intelligence. He does not know she is a Russian assigned to spy on him. When he is told to uncover a leak, he vows revenge on his wife.