In Return to Halloweentown, Marnie Piper is now a freshman at Witch University and is ready to start her studies in magic. However, she quickly discovers that the school is not what she expected; there are strict rules and regulations in place that limit students' powers and autonomy, and Marnie is determined to shake things up.
Meanwhile, Marnie's brother Dylan is also attending the university, but he seems to be more interested in the scientific aspects of magic than the practical applications. Marnie also meets a new friend, Aneesa, who is a genie who wants to learn more about witches.
However, not everything is as it seems at Witch University. Marnie and her friends soon discover that the Sinister Sisters, two mischievous witches who are always causing trouble, have a secret plan that involves stealing magic from their fellow students. Additionally, Marnie learns that there is someone who is plotting to use her unique powers of controlling all Halloweentown creatures for their own evil purposes.
Determined to foil these nefarious plans, Marnie and her friends embark on a series of adventures and challenges, using their magic and their wits to unravel the mysteries of Witch University and save Halloweentown from danger.
Return to Halloweentown is a fun, family-friendly movie that combines fantasy, adventure, and humor to create a delightful Halloween-themed story that is sure to entertain viewers of all ages.