An ocean-drenched, atmospheric horror debut! Liv's best friend disappears on their first night aboard their dream semester-at-sea program - but is he really sick, like everyone says, or is something darker lurking beneath the water? It should have been the trip of a lifetime. When Liv lands an all-expenses-paid opportunity to study aboard the luxury cruise ship the Eos for a semester, she can't believe her luck. Especially since it will offer her the chance to spend time with Will, her ex-best friend, who's barely spoken to her since the night their relationship changed forever. But as soon as she steps on board, Liv realizes just how.