It is the summer of 1914 and Tilly Moon, an accomplished pianist, longs for the day she can take her music studies further. If there is one thing she loves more than music it is her brother Tommy's best friend Dominic, and they embark on a tentative first romance, but their plans are interrupted when Britain declares war on Germany. Dominic and Tommy are quick to enlist, and Tilly gives up her music to train as a nurse, but her heart and mind remain...