January 1918 — Dunderrig House, West Cork, Ireland.
Dr Richard Buckley returns to his beloved Dunderrig, disillusioned and damaged by the futility of war. At his side is Solange Allingham, his best friend’s widow, who has lost everything she ever loved.
Richard’s wife, Edith, is bitter at what she sees as her husband’s betrayal of his country by wearing a British uniform. After giving birth to twins, she withdraws into a silent world, finally leaving her family for strange new bedfellows. Solange is obliged to overcome her own heartbreak to become the mother Edith’s children so badly need. James and Juliet are inseparable, incorrigible, and the lifeblood of Dunderrig. As they grow up, they come of age in a world where, despite the horrors of the past, war looms large once more.
From tranquil West Cork to wartime Belfast, from neutral Dublin to occupied France, the twins' lives diverge in unforeseen ways as Dunderrig waits anxiously once more for the safe return of its children.