"The Parisian revenants have been betrayed by their trusted ally, Violette. Now Vincent is dead and Violette has destroyed his body so that he canot be reanimated. Refusing to give up on her love, Kate searches for a way to reincarnate him in time to prevent an all-out war between the bardia and the numa."--Provided by publisher.

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 is unleashed on the whole city.