In New Vienna, capital of the oppressive global government formed after the Flash, three things are certain: the sun is poisonous, speaking out is dangerous, and being different will get you killed. And Lumina Bohn is extraordinarily different. Living in terror of discovery, Lu knows nothing of her past?but she knows she must pretend to be human to survive. When an incident at work triggers her astonishing powers, she becomes the target of an international manhunt. Only one person can save her: Magnus, the enigmatic stranger haunting her dreams. Magnus rescues the outcasts called Aberrants from capture and torture. As Lu begins exploring her powers among her people, her feelings for Magnus intensify. He's determined to stay emotionally distant, yet their smoldering passion soon becomes impossible to resist. But when a shocking revelation threatens the lives of every remaining Aberrant, Lu and Magnus must risk everything, confronting their enemies in an explosive final stand to save their kind from the darkest fate of all: extinction.