At the luxurious Serenity Resort on the Californian coast, guests arrive ready to celebrate what is set to be the wedding of the year. But things are about to go horribly wrong . . . Ginger is an overworked mother of three who's barely holding it together.Lulu is filthy rich with four ex-husbands, and a fifth one on the way.Emily harbours a dark secret, which she's become expert at forgetting with a bottle of wine.Kate is a lawyer with her life in order - except for one little problem that even she can't fix.Only 24 hours after they arrive a man is found murdered. Each of these women confess to the crime, insisting they acted alone.Why would they do this? Only they know the answer - and they're not telling.