Teenage polio survivor Rowan Collier is caught in the crossfire of a secret war against "the unfit." It's 1922, and eugenics--the movement dedicated to racial purity and good breeding--has taken hold in America. State laws allow institutions to sterilize minorities, the "feeble-minded," and the poor, while local eugenics councils set up exhibits at county fairs with "fitter family" contests and propaganda. After years of being confined to hospitals,...