When Peggy the pug puppy is abandoned at the animal shelter just before Christmas, unicorn-loving Chloe's family takes her in for a week. The playful pug loves Chloe and wishes she could stay with her forever. But Chloe doesn't want a dog - she wants a unicorn! Believing anything is possible, Peggy decides she will somehow turn into a unicorn to make Chloe's Christmas. Can Peggy somehow find a way to become a unicorn, making Chloe's Christmas wish and her own wish for a new home come true?