Adley and Niko, along with their family and friends, plan a surprise birthday party for their mom, Jenny. The theme of the party is a Rainbow Party, and the kids are excited to decorate for the special occasion. They gather all the supplies needed, including balloons, streamers, and colorful tablecloths. Adley and Niko work together to hang up decorations and transform the backyard into a vibrant and cheerful party space. Everyone is excited for the surprise and can't wait to celebrate Jenny's birthday with lots of fun and joy.