Spring 1915, Dublin. Katie Crilly gets the news she dreaded: her beloved twin brother, Liam, has been killed on the Western Front. A year later, when her home city of Dublin is suddenly engulfed in violence, Katie finds herself torn by conflicting emotions. Taking refuge in the home of a friend, she meets Hubie Wilson, a friend of Liam's from the Front. There unfolds a remarkable encounter between two young people, both wounded and both trying to imagine a new life.