They thought survival was the prize. It's only the beginning.On a ravaged Earth under alien rule, four teenage orphans are chosen for the ultimate test: survive the Tower's deadly trials and win a place aboard the alien ship. But the Tower never gives without taking. ✔ Ivo-a chubby boy with no past-uncovers flashes of memory that hint he's heir to the empire crushing humanity.✔ Penelope hides a fatal illness... and her forbidden love for Ivo.✔ Elias, with a failing transplanted heart, clings to life by a thread.✔ Silas, a human clone, stumbles upon a mysterious girl with glass feet locked in the Moon's research center.. As they face brutal trials, strange mentors, and a rebellion brewing in the shadows, they must ask themselves: Are they pawns of the aliens-or the spark of Earth's last hope?