Two teen girls, Mara and Rory, navigate a complex web of love, infection, and survival as they reunite in an experimental resettlement program, grappling with their pasts and the looming threat of the virus that once transformed Mara into a monster.

Now that the world is in a complete cultural renaissance, fifteen-year-old Aya Fuse, an Extra, just wants to lay low, so when she discovers the secret lives of the Sly Girls, she wants to report their story, but Aya knows that would propel her into celebrity--a status she's not prepared for.