Taunted for being 'the fat girls' at school, Maggie and Olivia swore to be best friends forever. But now they're grown-up is their friendship big enough to survive Maggie's dreams remain unfulfilled. She works in a coffee shop, has never shifted the pounds, and harbours a painfully unrequited crush on her colleague. Worse still, she's agreed to be bridesmaid for the now size 6 (after surgery) Olivia, who has found her Mr Perfect as well as lots of new, more fashionable friends. As emotions run high in the tension-filled lead up to Olivia's wedding, both girls are forced to look squarely in the mirror and confront some harsh home-truths about themselves and each other...