Tiana, Moana, Snow White, Rapunzel, and Ariel are off on an adventure as they are each unexpectedly transported to a mysterious castle. Shortly after arriving, they soon discover that Gaston has hatched an evil plan to take over all their kingdoms! The Princess characters must work together to solve challenges hidden deep within the castle walls and try to save their kingdoms from Gaston. Will bravery, quick-thinking, and teamwork prevail?

After Ariel, Moana, Tiana, Rapunzel and Snow White thwart Gaston's plan to take over their kingdoms, he calls upon Ursula, Jafar and the Evil Queen to help defeat the princesses; the princesses learn of Gaston's scheme and recruit allies.