In 1913, in a quiet corner of London, the three Fry sisters are coming of age, dreaming of all the possibilities the bright future offers. But when war erupts their innocence is shattered and a new era of uncertainty begins. Cecelia loves Max but his soldier's uniform is German, not British, and suddenly the one man she loves is the one man she can't have. Jessie enlists in the army as a nurse and finally finds the adventure she's craved when she's sent to Gallipoli and Egypt, but it comes with an unimaginable cost. Etta elopes to Capri with her Italian love, Carlo, but though her growing bump is real, her marriage certificate is a lie. As the three sisters embark on journeys they never could have imagined, their mother Christina worries about the harsh new realities they face, and what their exposure to the wider world means for the secrets she's been keeping...