Y/n Anderson is the younger sister of Sean Anderson by only 2 years, making her only 15. Sean receives a coded distress signal from an island where none should exist. Knowing that he will not be able to dissuade Sean from tracking the signal to its source, Hank, Sean and Y/n's new stepfather, joins the teens on a quest to the South Pacific. Together with helicopter pilot Gabato and his feisty daughter, Kailani, they set out to find the island and rescue its sole human inhabitant.