Sarah Robinson and her family are shipwrecked on a remote and mysterious island. Their food is running out, and their fear is escalating as there is no sign of rescue. The mysterious girl they found unconscious at the beach is healing, and what she tells them about the strange island and especially about someone called the Keeper has the family on edge. When Sarah's dad and Marco's younger brother go missing, the mystery becomes dangerous. Now, it's...

Fifteen-year-old Eli, locked inside a radiation-proof compound built by his father to keep them safe following a nuclear attack, begins to question his future, as well as his father's grip on sanity as the family's situation steadily disintegrates over the course of six years.