When all is lost, can she find the strength to start again? It is 1916 and Edith Mellor is one of the few female surgeons in Britain. Compelled to use her skills for the war effort, she travels to the Somme, where she is confronted with the horrors at the front. Yet amongst the bloodshed on the battlefield, there is a ray of light in the form of the working class Albert, a corporal from the East End of London. Despite being worlds apart, Edith and Albert can't deny their attraction to each other. But as the brutality of war reveals itself to Albert, he makes a drastic decision that will change both Edith and Albert's lives forever. In the north of England, strong-minded Ada is left heartbroken when her only remaining son Jimmy heads off to fight in the war. Desperate to rebuild her shattered life, Ada takes up a position in the munition factory. But life deals her a further blow when she discovers that her mentally unstable sister Beryl is pregnant with her husband Paddy's child. Soon, even the love of the gentle Joe, a supervisor at the factory, can't erase Ada's pain. An encounter with Edith's cousin, Lady Eloise, brings Edith into her life. Together, they realise, they may be able to turn their lives around ...