A taxi firm boss is caught fiddling the books when HMRC take a closer look at his earnings, and it turns out the whole family is in on the scam. Fraud investigators from the DWP uncover damning videos of one man's travels, proving he's not as disabled as his benefit forms claim. We meet the teenager who reveals how a charity helped in his battle against cancer, while dad Dave battles to get his life back on track after losing his job and falling into depression.