When Thomas is sent out on an assignment and goes missing, his friends start to worry. Then, things take a terrifying turn when a package arrives on Alaine's front porch. Inside, is a piece of a severed, bloody wing, along with a note.The Fallen want Eden-a newly transformed Nephilim with a powerful gift-in exchange for Thomas. They have three days to hand her over or next time, they'll receive something much worse.Now, it's a race against time to find out where they're keeping Thomas, and figure out a way to keep Eden safe.