With the help of Star, Narwhal, who is now a Narwhalicorn, and Jelly embark on an out-of-this-world adventure to a planet filled with unicorns, but when Jelly wishes he were back home, Narwhal must find a way to cheer him up.
Unicorns send out Christmas cards by shooting stars, use rainbow flowers to trim their trees, and then help Santa and his weary reindeer spread Christmas cheer.
Twelve-year-old Pacey travels through Rundalyn to rescue her little sister, Mina, who was taken there by Slasher, her unicorn-turned-plush toy, who hopes to regain his rightful form and place in society.
"Do you believe in unicorns? Phoebe does. She has no choice. One day she skipped a rock across a pond and hit a unicorn in the face. Improbably, this resulted in a lasting friendship between Phoebe and the unicorn, one Marigold Heavenly Nostrils"--Provided by publisher.