At The North Pine School, the holidays are fast approaching, and the students are buzzing with excitement—except for Holly, the beloved class president known for her boundless holiday cheer. After an accident leaves her with a mischievous alter ego, "Grinchy Girl," Holly’s enthusiasm turns into chaos, threatening to ruin the school’s annual holiday celebration. As her friends scramble to restore her festive spirit, they learn the true meaning of the holidays—celebrating friendship, spreading joy, and giving back to their community. Grinchy Girl is a heartwarming holiday adventure filled with laughter, songs, and magical moments.