Under the vastness of the ocean is a underwater kingdom of Pure Heart Reef. There the residents are peaceful merfolks who are protected by the Pure Heart Pearl, that is until it was broken by two travelling heroes. Now the heroes must protect the valley from the Sea Pirates that like below in their sunken ship, desiring the pearl to control the monster of the deep. Mao Mao and Badgerclops have to be wary of the other knight of the reef, Night since she also has a devilish look in her eyes. Explore the beauty of Pure Heart Reef.