The morning after their senior year beach party, Izzy, Cass, and Janie are woken by a thundering overhead. Then they and their classmates watch in shock as a plane crashes into the water. When the passengers are finally recovered, they are identified as Izzy’s twin brother, Israel, Cass’s ex-boyfriend, Shane, and Janie’s best friend, Nate. But Izzy can feel when her brother is in pain, and she knows he’s not really dead. So she, Cass, and Janie set out to discover what actually happened that day - and why the boys were on the plane. Told in alternating timelines and points of view, this powerful and captivating novel follows the three boys in the weeks leading up to that fateful flight, and the girls they left behind as they try to piece together the truth about the boys they loved and thought they knew. A spellbinding story about the ripple effects of tragedy, the questions we leave unanswered, and the enduring power of friendship.