Ten-year-old Gloria and her recently widowed grandfather Bud befriend a mysterious reindeer when the family gather for Christmas. Bud comes to believe that Prancer may actually be magical, but Gloria fears his theory will send him straight to a retirement home.
To save his daughter's Christmas, Andrew goes on a road trip with Dev, his neighbour from hell, to buy an elusive Sparklehoof the Unicorn Princess.
In 1962, Patricia Neal and Roald Dahl retreat to the English countryside to bring up their young family. The seemingly unlikely pair find their relationship put to the test by a tragic loss.
