The No.1 Sunday Times bestseller *Over 1 million copies sold worldwide* *One of The Times and Sunday Times Crime Books of the Year* *Goodreads Choice Awards winner for Crime & Mystery 2020* *Shortlisted for the Irish Book Awards Crime Fiction Book of the Year* *A Reese's Book Club pick for 2020* A gripping, twisty murder mystery thriller from the No.1 bestselling author of The Hunting Party. 'Lucy Foley is really very clever' Anthony Horowitz'Thrilling' The Times'A classic whodunnit' Kate Mosse'Sharp and atmospheric and addictive' Louise Candlish'A furiously twisty thriller' Clare Mackintosh On an island off the windswept Irish coast, guests gather for the wedding of the year - the marriage of Jules Keegan and Will Slater. Old friends. Past grudges. Happy families. Hidden jealousies. Thirteen guests. One body. The wedding cake has barely been cut when one of the guests is found dead. And as a storm unleashes its fury on the island, everyone is trapped. All have a secret. All have a motive. One guest won't leave this wedding alive . . .