Magneto and Professor X. Superman and Lex Luthor. Victor Vale and Eli Ever. Sydney and Serena Clarke. Great partnerships, now soured on the vine. But Marcella Riggins needs no one. Flush from her brush with death, she's finally gained the control she's always sought-and will use her new-found power to bring the city of Merit to its knees. She'll do whatever it takes, collecting her own sidekicks, and leveraging the two most infamous EOs, Victor Vale...

Starting her junior year at Hyde School, Mackenzie Bishop, a Keeper tasked with stopping violent Histories from escaping the Archive, becomes the prime suspect when several people vanish without a trace.

Now in Paris with her parents who are filming their TV show about the world's haunted cities, Cassidy Blake (who can see ghosts) and her friend Jacob (who is a ghost) are alert for trouble, especially when the filming takes them into the underground Catacombs, the empire of the dead, where Cassidy accidentally awakens a powerful poltergeist spirit--one whose mystery she must solve before his power in unleashed on the whole city.--

Desde que Cass estuvo a punto de ahogarse (está bien, sí, se ahogó, pero no le gusta pensar en eso), puede correr el Velo que separa a los vivos de los muertos… y entrar al mundo de los espíritus. De hecho, Jacob, su mejor amigo, es un fantasma. Así que las cosas ya son bastante extrañas en su vida, pero se van a volver más extrañas aún. Cuando a los padres de Cass les ofrecen realizar un programa de TV sobre los lugares más embrujados...