Danger and action abound after Akira Sengoku and his classmates crashland on a deserted island while flying home from a class trip. The island doesn't exist on any maps but that's not even the strangest part: the animals they find on the island are prehistoric beasts that are supposed to have been extinct for thousands of years! Now Akira and his friends are in danger as the island's residents start eyeing the humans for their next meal. Will they ever solve the mystery of the island and find their way home?
Team Akira's in the fight of their lives against prehistory's fiercest ape, Gigantopithecus! Will they make it out of the jungle with their lives, or will an unexpected betrayal drive them straight into the jaws of a reallife King Kong? Meanwhile, Eiken stumbles upon a manmade relic that could begin to explain the mysterious forces that pulled them into this nightmare in the first place!