High school graduates Jo and Raissa have been best friends since grade school but are now about to embark on separate life paths. While celebrating their last night together. They stumble upon a mysterious portal that transports them to the fantastical island of Nakali, packed with magical and mythological creatures they grew up hearing about from their Filipino families. Some will become friends, some foes. They must face The Dreaded Manananggal, the most feared creature on the island. When they discovered that the memories of their entire friendship are the price for returning home, Jo and Raissa will race to find a way to leave the island before they forget each other forever.