The Shimmers are on a roll! It's Kira's birthday, and the girls are portal-jumping to a winter wonderland, ready to celebrate her special day! But when they arrive, they find Kira stuck in a tower! She tried to make the snow extra sparkly with sparkle glow, but instead, she brought the snowmen to life! Now, they won't let Kira out or anyone else in. Can the Shimmers work together to bring Kira down and celebrate her birthday? Your favorite fashion dolls are making their colorful dreams come true at Rainbow & Shadow High — and the possibilities are endless when they all work together. Tap into your imagination and tune in as they learn to really let their true colors shine!