The film reimagines the Nutcracker story with Tom and Jerry at its center. The narrative revolves around a young girl named Marie, who receives a magical nutcracker doll on Christmas Eve. As the clock strikes midnight, Tom and Jerry find themselves transported into a fantastical world where they must battle the evil Mouse King and his army. The story is a backdrop for the comedic antics of Tom and Jerry, whose ongoing rivalry and temporary alliance serve as the film's comedic core.