A small island off the coast of Washington state has legends surrounding it, stories of those who have gone missing. Like many before them, a group of high school students in 1998 take a spring break trip out to the island to see if they can find a boy named Lewis, who disappeared there decades ago. However, the island has a secret of its own and what lies in wait for the five teenagers is darker than they can imagine. Will the the friends find Lewis or will they uncover something they can't escape?