Her mama always said she was special. His daddy called him a demon. But even monsters can fall in love. Montessa Tovar is walking home alone when she is abducted by Lu, a serial killer with unusual talents and a grudge against the world. But in time, the victim becomes the executioner as 'Apocalyptic' Montessa and her doomed lover, 'Nuclear' Lulu, crisscross the country in a bloody firestorm of revenge.