Four women, one wedding and a day to remember - or rather forget ... Anna's world is rocked when she receives an invitation to her ex Toby's nuptials - Toby was The One. Will attending his Big Day finally give her a sense of closure? Or will it only re-open old wounds? Clare is Anna's best friend, the person who was there for her when she and Toby split. But little does Clare know that Toby's wedding day will also change her own life for ever...