The next day, Clara had no idea how she managed to get up.

When she finally dragged herself out of bed, it felt like she'd been stuck on a boat for a month, her whole body swimming in a dizzy fog, like she had no sense of time or space. She had to take a moment to steady herself.

It had been a long time since she felt like this. During that year on the island, she was used to skipping meals and living with an upside-down sleep schedule. Her body had adapted, and headaches had ...