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 . . .