After a broken engagement in New York, Grania Ryan returns to her ancestral home on the rugged coast of Ireland. There, she encounters Aurora Lisle, a mysterious young girl who seems inextricably linked to the complex and bitter history between their two families. As Grania uncovers old letters and secrets dating back to World War I, she learns about a legacy of heartbreak and hidden truths that has haunted generations. The novel is a sweeping multi-generational saga that explores the power of fate, the resilience of love, and the inescapable bonds of the past.