Moana faces off against the Kakamora, a fierce army of pirates that are after the life-giving heart of Te Fiti.

"Razi, a local fisherboy, is watching turtle eggs hatch when he sees a boat bobbing into view. With a chill, he notices a small, still hand hanging over the side. Inside is Zheng, who's escaped a shipwreck and is full of tales of sea monsters and missing treasure. But the villains who are after Zheng are soon after Razi and his sister, Shifa, too! And so begins an exhilarating escapade in the shadow of the biggest sea monster of them all"--Provided...

When they are separated at sea, mouse siblings Clarice and Charles Sebastian, who were taught to be careful, must now need to be bold if they are to survive-- and keep their promise to find one another again.