About the book: 2015 / 21 days have passed since one hundred pioneers landed on Earth. These are the first people to set foot on the surface of the planet in the last few centuries... or, at least, so they think. Clark goes to a bunker called Mount Weather in search of other surviving colonists, and Bellamy is ready to do anything to save his sister. Meanwhile, on the space station, Glass faces an impossible choice between the love of her life and life itself..