About the book: 2004 / The Halliwell sisters are not the only ones who celebrate Halloween. But this year's celebrations are marred by a series of strange destructions occurring throughout the city. During their investigation, the Charmed Ones discover that all of these destroyed buildings have been melted down and are actually portals of passage between the world of the living and the world of the dead. Piper, Phoebe and Paige will have to protect the remaining portals from destruction in order to prevent the impending disaster. But they will have to fight an unusual enemy - a ghost..