"Minnie Gray is an ordinary young woman. She is also a spy for the British government. It all began in the summer of 1928... Minnie is supposed to find a nice man, get married and have children. The problem is it doesn't appeal to her at all. She is working as a secretary, but longs to make a difference. Then, one day, she gets her chance. She is recruited by the British government as a spy. Under strict instructions not to tell anyone, not even her...