Having lost their mother in a tragic sailing accident when they were young, the two women are accustomed to grief. But they have no idea that their father's death will expose a terrible deception...For back in London is his wife Sophie and their two sons. Neither family knows of the other's existence, and when news reaches Sophie of Hugh's death her whole world is turned upside down.Meanwhile, Rowan's marriage is crumbling, and Thea reluctantly finds herself acting as a go-between for her sister and her lover. But, with the onslaught of World War II, the lives of all three women will change for ever. And they must confront the secrets between them before they can seize their chance of happiness...