Jack and Sally are truly meant to be... or are they? Newly crowned, Sally is thrown into the role of Queen of Halloween Town. Cast into the spotlight and tasked with royal duties, Sally can't help but wonder if all she's done is swap her captivity under Dr. Finkelstein for a new cage.
When Sally and Zero accidentally uncover a long-hidden doorway to an ancient realm called Dream Town, she unknowingly sets a chain of sinister events in motion, putting herself, and the future of Halloween Town, in jeopardy. Can Sally discover how to be true to herself and save Halloween Town, or will her future turn into her worst nightmare?