Newly emerged wings send Chloe's life into a tailspin that lands her at the prestigious Hero Academy. But she's haunted by visions of smoke and terror. Mysterious fires ignite around campus, and disturbing emails suggest a sinister organization is trying to recruit her. All evidence points to an approaching catastrophe.

Chloe's gut tells her she knows who's behind it, but no one will listen. She must strike out on her own to find evidence—and courage she's not sure she can muster—to prevent the worst massacre of superheroes the world has ever seen.