When Lady Burlington's precious jewels are stolen, the kids believe that Cat was the unwitting thief and didn't know that she was stealing. They try to put things right by returning the valuables and teaching Cat the error of her ways. However, with Lady Burlington's security guard searching for the burglar, the kids find their task way trickier than anticipated.

When the siblings try to make an awesome Christmas surprise for their parents, things go wrong every step of the way.