This episode features a plumber who paid for and fitted a full central heating system for a building company, but didn't get paid a penny. Can the sheriffs get him the cash he is owed? Plus a sheriff revisits a road services company that owes a former employee thousands. And when a member of the public sold valuable items through a local auctioneers, she expected a hefty cheque, but that didn't happen - so the sheriffs go in search of the cash she is owed.