After a group of teens visit a dangerous island where three are left behind, the surviving girls realize they must return to confront the sinister force hunting them. This dark YA thriller is perfect for fans of Yellowjackets.

Eight were lost. Five were found. None will ever be free.

For Evie Williams, life is about to get a lot more complicated. Haunted by the events of a school trip to Hollow Lake National Park that went disastrously wrong, Evie and her friends returned changed, their lives forever marked by the mysterious Island they encountered—and the three girls they left behind.

Now, someone is picking off those who were involved, one by one. Their families, friends, and even online investigators are all caught in a deadly game. The stakes are raised when Evie receives a chilling message: to save her loved ones, she must return to the Island.

As Evie and the other "Lost Girls" navigate the treacherous terrain of the Island once more, they must confront the secrets they’ve buried, the horrors they witnessed, and the person—or thing—that’s hunting them. But some secrets refuse to stay hidden, and the Island demands a price for freedom.