Sheriffs Mike and Billy help a grandmother who, worried that her garden wall was about to collapse, called in a local builder who took her cash but failed to do the work. Can Mike and Billy get her money back? Elsewhere, Tracy and Dave help an NHS care worker who bought a second-hand car advertised on eBay. It turned out to be faulty, but when he tried to get his money back he had no success. Tracy and Dave pay the dealer who sold him the car a visit. And Lawrence visits a kebab shop and gives the owner a grilling over an unpaid debt.