Avery Quinton is a rebel. So when she gets expelled from her fourth boarding school her parents decide it's time to fly her home. Trent Ashton isn't normal. He's rude, conceited and selfish. And according to Avery, he has one too many secrets. They both get on a plane to Manhattan, only, the flight never makes it. Now they're stuck on an island together. They're going to wish they never got on Flight 21.

For months Summer is trapped in a cellar with the man who took her - and three other girls: Rose, Poppy, and Violet. His perfect, pure flowers. His family. But flowers can't survive long cut off from the sun, and time is running out...