Evan and Adaline are thrown together at the age of five when Evan's mother and Ada's father fall in love. At first wary of each other, they soon become the best of friends. But five years later, they are torn apart and Evan moves to the other side of the world. For the next two decades, they meet every five years, but life and circumstance always intervene. The heartbreaking new novel from bestselling author Paige Toon.