The stunning and evocative new novel from the author of the Sunday Times bestseller and Richard and Judy pick The Glass HouseKat, Flossie and Lauren are half-sisters who share a famous artist father - and a terrible secret.Over the years they've grown into wildly different lives. But an invitation to Rock Point, the Cornish cliff house where they once sat for their father's most celebrated painting, Girls and Birdcage, reunites them.Rock Point is a beautiful, windswept place, thick with secrets, electrically charged with the events of that summer that the family daren't discuss. And there is someone in the shadows watching their every move. Someone who remembers what they did.As the events of twenty years ago rise closer to the surface, will the three sisters escape unscathed for a second time? Or are some secrets too powerful to remain under lock and key?