Three hundred years in the future, our generation-the Rusties-are gone. Wiped out. Over the next three centuries, we have sired a new generation. Tally Youngblood's generation. Tally's generation hs been taught a lot about the Rusties. Or have they? But when Tally goes back to the Rusty generation, she finds out more than she ever wanted to know. More than she ever thought she would be taught.