'Thought-provoking and emotional ... had me laughing and crying in equal measure. One for book clubs everywhere' Clare Mackintosh Four women Annie has brought her three best friends and their families together for a long weekend away in a gorgeous seaside Airbnb. It should be idyllic – sun, sea, sand, cocktails and laughter. One shocking secret But below the surface, none of these friendships are quite what they seem. And Annie has a secret – and an earth-shattering favour to ask of one of her friends. A life-changing decision As the idyllic weekend turns sour – arguments, grudges and a boat trip that goes awry – Annie must make her devastating decision – and change everyone's lives, forever.