It is 1940 and bombs are falling on London. Watching from her attic window, Charlotte sees enemy planes flying in over the city and her neighbours' homes turning to rubble. Still grieving for her beloved brother who never returned from France, Charlotte has moved away from her overbearing father and built a new life for herself. She works as a typist for the Ministry of Information, rents a room in a ramshackle house, and shares gin and confidences...