At the Medio School for Girls, distinguished young women are trained for one of two roles in their polarized society. Depending on her specialization, a graduate will one day run a husband's household or raise his children. Both paths promise a life of comfort and luxury, far from the frequent political uprisings of the lower class. Daniela Vargas is the school's top student, but her pedigree is a lie. She must keep the truth hidden or be sent back...

For Charlotte Holloway, the world ended twice. The first was when her childhood crush, Dean, fell in love -- with her older sister. The second was when the Crimson, a curse spread through eye contact, turned the majority of humanity into flesh-eating monsters. Neither end of the world changed Charlotte. She's still in the shadows of her siblings. Her popular older sister, Harlow, now commands forces of survivors. And her talented younger sister, Vanessa,...