Lou Campion has joined the WAAFs, against the wishes of her parents and twin sister Sasha. Lou's always been a rebel, but now finds that if she wants to succeed she'll have to follow extremely strict rules. Can she do this or will it all end in deep disgrace? Tragedy haunts the other members of the family, as Katie's plans for the future are dashed, Fran's young husband is close to death and Bella's impossible passion has to remain a close secret. Yet even in the darkest hour there is hope. The Campions find that they have a hero in their midst and while their city is crumbling, their pride is intact.