Summer 1939, Nazi troops are already preparing an attack on Europe. At this difficult time, Grace Bennet arrives in London, which she has dreamed of all her life ... But instead of bright city streets, she is greeted by tightly drawn window curtains - the city is preparing for war. Not how Grace imagined city life. And even more so, she did not expect that she would have to work in a dusty and old bookstore in the very center of London. And who needs books now! But during the night raids, to the sound of explosions, Grace realizes the true power of the word, which can unite people even in the darkest times.