Stacy Pallas, a young analyst at the CDC, is assigned to investigate subtle hints of a drop in new pregnancies. It leads her to an appalling discovery: the country's birthrate will soon drop to zero. Amid great secrecy, a government investigation identifies the cause. Pollution from so-called "forever chemicals" has combined with a long-dormant virus to block fertilization of human eggs - permanently and globally. A corrupt colleague of Stacy's...