Liverpool, 1940. -Where-s George?- Ruth didn-t realise that she had grabbed hold of the other woman-s arms. -Where-s my son?-Journalist Ruth Holt is struggling in the terror of the Blitz when her young son is suddenly snatched away in broad daylight. Soon after, the kidnappers- demands arrive. They are working with the Nazis, and she has no choice but to co-operate, or the authorities will learn that she is harbouring secrets of her own.Ruth-s job gives her access to critical information, and if she does not share it with Britain-s enemies, her child will face the consequences. Desperate, she falsifies information, lying to everyone: her employers, her family and her lover. But as the demands increase, the knife edge she walks on grows increasingly thin. If she falls, she will never save her son.