Leonid Symonov loved his daughter enough to destroy her. When Natasha was dying, he turned to Negative Energy — forbidden, corrosive, alive in ways physics cannot explain — and poured it into her body on a metal table surrounded by cables and equations. The girl who wakes decades later is not entirely his daughter and not entirely something else. She carries a hum in her bones and a darkness in her veins, and the empire that created the technology wants to know what she's become.
