Nora's death warrant was signed the day she was born. She is an Echo, gifted with strength and speed beyond human capability, her senses enhanced and her body, strong and unyielding. But the revelation of long-hidden family secrets sets Nora on a dangerous path where even her abilities may not be able to save her.Renee knew Nora as a child before a tragic event sent her away. Now, a woman, she's back and she knows what Nora is and she won't stop until her deadly vendetta is done.Grace, a geneticist, is trying to save humanity, but her good intentions may spiral into a danger beyond her control.As these three women converge even the safest of places for Nora hold the greatest dangers. The world is about to change. The new Humanity will rise. All it's waiting on is Nora's choice.