A mysterious worldwide epidemic reduces the birthrate of female infants from 50 percent to less than 1 percent. Medical science and governments around the world scramble in an effort to solve the problem, but twenty-five years later there is no cure, and an entire generation grows up with a population of fewer than a thousand women.
Zoey and some of the surviving young women are housed in a scientific research compound dedicated to determining the cause. For two decades, sheâ€™s been isolated from her family, treated as a test subject, and locked awayâ€”told only that the virus has wiped out the rest of the worldâ€™s population.
Captivity is the only life Zoey has ever known, and escaping her heavily armed captors is no easy task, but sheâ€™s determined to leave before she is subjected to the next round of testsâ€¦a program that no other woman has ever returned from. Even if sheâ€™s successful, Zoey has no idea what sheâ€™ll encounter in the strange new world beyond the facilityâ€™s walls. Winning her freedom will take brutality she never imagined she possessed, as well as all her strength and cunningâ€”but Zoey is ready for war.