The war is progressing for the Nippies, the girls who work at the Lyons Corner House in Marble Arch. With the air-raids, rationing and blackouts, life no longer has the carefree attitude it used to have. But new pain and pleasure await as everyone decides what effort they can make towards victory. Jo yearns for Nick, but the burns he sustained when he was shot down are life-changing and need the new procedure of plastic surgery. Will their marriage ever go ahead? And does Jo want it to? She loses herself in her new role as lumberjill, one of the women hewing timber for the war effort. Meanwhile, Phyl has been selected, along with some other trusted Nippies, for secret work. Far from family and friends, she works with munitions and tries to forget her desire to be a Wren. Her husband is far away but she never loses faith that one day they will be reunited...