New mum Emily wants revenge on the stick-thin assistants who laugh at her post-baby tummy and post-baby budget. But frumpiness has its advantages when you're wielding a secret camera - and sending the damning footage straight to head office. Store manager Sandie has a lifelong love of the world of retail. Then she's fitted up by an ambitious assistant and secret shopping is the only way to keep her one passion alive. Glamorous widow Grazia can't leave behind the high life. The more she's buying - and spying - the less time she has to mourn her husband...