Trouble at Christmas

Mason doesn't want to visit his grandparents this Christmas. His Grandad never appears until Boxing Day and Nanny says it's because he's too tired. But Mason doesn’t believe her—he thinks Grandad just doesn't like him. But this Grandad has a very particular secret - and secrets have a way of being uncovered. Especially when there is one curious grandson, one careless elf, and a whole lot more who are too sick to work...