Siblings Jill Hamill and Stuart Raphel from the Wirral are in the spotlight. Both are desperate to lose weight, but convinced they don't eat enough. What will the five-day around-the-clock surveillance reveal? Once Jill and Stuart learn the shocking truth of what they're really consuming, will they be able to stick to a ten-week healthy eating regime, designed by an expert dietician, and win their battle with the bulge for good?

The show’s own verdict is on its page.