Rainey’s grandmother makes a startling request: Take me home. To Ireland, the country she fled post-World War II. Though they’re inseparably close, Rainey knows few of her grandmother’s secrets. Until they arrive at Aisling—the majestic estate on the southern coast of Ireland where her grandmother was raised—and Rainey discovers a collection of seventy-year-old letters in a trunk.

When Gemma discovers a pair of ancient duelling pistols encrusted with rubies in the basement of the local museum, she is immediately intrigued. On a fateful night in 1838 two sisters were found shot in the cellars of Red Hill Hall. And when Gemma begins to delve deeper into their history, she begins to realise that the secrets of that night are darker than anyone had ever imagined. As the shocking events of the past begin to unravel, Gemma’s own life starts to fall apart.

It’s 1916 and, as war rages in Europe, Gráinne leaves her job in a department store to join Countess Markiewicz’s revolutionary efforts. It is a decision which will change her life forever. A rebellion is brewing, and as Dublin’s streets become a battleground, Gráinne soon discovers the personal cost of fighting for what you believe in. Decades on, student Nicky is recovering from a break-up when a research project leads her to her great-grandmother’s experiences in revolutionary Ireland.

In 1942, Evie Farrow is used to life on Ocracoke Island, where every day is the same—until the German U-boats haunting their waters begin to wreak havoc. And when special agent Sterling Bertrand is washed ashore at Evie's inn, her life is turned upside down. While Sterling's injuries keep him inn-bound for weeks, making him even more anxious about the man he's tracking, he becomes increasingly intrigued by Evie, who seems to be hiding secrets of her own.

Present day. Fresh from her divorce, Millie Galton moves into a former inn overlooking the harbour in Mudeford and plans to create her dream home. When a chance discovery behind an old fireplace reveals the house’s secret history as a haven for smugglers and the devastating story of its former residents, could the mystery of a disappearance from centuries ago finally be solved?