It’s Halloween on the Island of Hawaii, and young Kai can’t wait to celebrate with best friends Leilani and Eddie. An evening of trick or treating quickly descends into chaos however, when the trio accidentally set a real life monster loose upon the town! With the help of Hawaii’s mischievous creatures, the Menehune, the team set out to recapture the evil spirit before it destroys their beloved island. But first, they must truly embrace their heritage and the stories of their ancestors?