During a study abroad trip aboard a research vessel exploring the serene islands of New Zealand, Wren faces an unexpected avoiding her now ex-boyfriend, Leo, amidst the close quarters of the ship. But as a storm breaks out during the jet ski excursion, Wren finds herself stranded on one of New Zealand's uninhabited islands in the dead of winter. She is joined by Chase, a fellow student with whom Wren shares only passing familiarity. As Wren awakens on the desolate island, memories of the days leading up to the accident slowly begin to resurface. With dual timelines weaving together the past and present, Wren discovers that there’s more to her friendship with Chase than she originally thought.