For once in Becky Bloomwood's life, things are going smoothly. She's got the dream job as a personal shopper (spending other people's money — and getting paid for it). She's got a fabulous Manhattan apartment with her boyfriend Luke. They've even opened a joint bank account (although they can't quite agree on whether a Miu Miu skirt counts as a household expense).
Then Luke proposes — and all of a sudden life gets hectic. Becky's mum in rural Surrey wants one thing; Luke's mother in New York wants the complete opposite. Becky knows she has to sit down and decide — but to be honest, it's a lot more fun testing cake, trying on dresses and registering wedding presents. Time's ticking by; plans are being made on both sides of the Atlantic, and soon she realizes she's in trouble...