Secret Eaters

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?