Jack Skellington is the undisputed Pumpkin King of Halloween Town and creative genius behind the most spook-tacular scares. Beside him through every great new creepy concept is his ever-faithful ghost pup, Zero. But panic descends on Halloween Town when a clumsy mistake leads to Zero going missing! Finding himself lost in a curious land of baked goods, hand-wrapped presents, decorated trees and joyful caroling, Zero must traverse the unfamiliar world of Christmas Town to find his way home! And with Halloween plans on hold while Jack mounts a search, will they be reunited in time to save both holidays?