Regent Academy has a long and storied history in Winslow, Vermont, as does the forest that surrounds it. The school is known for molding teens into leaders, but its history is far more nefarious. Seventeen-year-old Douglas Jones wants nothing to do with Regent's king-making; he’s just trying to survive. But then a student is murdered and, for some reason, by the next day no one remembers him having ever existed, except for Douglas and the groundskeeper's son, Everett Everley.

When Dawson Sumter goes missing, all he leaves behind is a smattering of blood in room 4 of the debt-ridden motel owned by Neera Singh's family. Disappearances like this aren't uncommon in the rural Georgia town of Carrion, especially every thirteen years when a periodical cicada brood returns from underground, shrieking their deafening screams. For Neera, Dawson is another reminder that in this corner of the South, the rich only get richer, and the poor—well, nothing good comes their way.

Enter the decadent, deadly city of Tiliard, a metropolis carved into the stump of an ancient tree. In its canopy, the pampered elite warp minds with toxic perfume; in its roots, gangs of exterminators hunt a colossal worm with an appetite for beauty. In this complex, chaotic city, Guy Moulène has a simple goal: keep his sister out of debt. For her sake, he'll take on any job, no matter how vile. As an exterminator, Guy hunts the uncanny pests that crawl up from the river. These vermin are all strange, and often dangerous. His latest quarry is different.

In 1765, plague sweeps through Zacatecas. Alba flees with her wealthy merchant parents and fiancé, Carlos, to his family’s isolated mine for refuge. But safety proves fleeting as other dangers soon bare their teeth: Alba begins suffering from strange hallucinations, sleepwalking, and violent convulsions. She senses something cold lurking beneath her skin. Something angry. Something wrong.

Every member of The House, the most exclusive sorority on campus, and all its alumni, are beautiful, high-achieving, and universally respected. After a freshman year she would rather forget, sophomore Nina Kaur knows being one of the chosen few accepted into The House is the first step in her path to the brightest possible future. Once she's taken into their fold, the House will surely ease her fears of failure and protect her from those who see a young woman on her own as easy prey.