Apparently that lot over the water are a nation of Secret Eaters. Which sounds familiar. Each year, they're getting fatter, but many of just don't seem to know why. In this new series, Anna Richardson exposes secret eating habits, one household at a time. To uncover what they're really eating and shine a light on their dietary downfalls, they'll agree to undergo around-the-clock surveillance for five days. But what they won't know is that they're also being watched over outside the house by two top private investigators. In this episode, 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...