1 Justin and Justine Meet Moana » by PerkyGoth14 When Justin and Justine remember their late father telling them about the legend of Te Fiti and Te Kā, the lava demon, they must go back into the past to help Moana Waialiki go to find Maui, the demigod, so that they can save the future of Hawaii, especially the land that Moana comes from known as Motunui.