A small town has been built for ghosts, where they can live in their own houses and see their relatives and friends on special screens. Cordelia is very glad that she is not the only one doing an important and useful job at Shadow’s school - saving ghosts. There is a whole official organization with a large-scale mission! Yes, this is a dream! Cordelia, Benji and Agnes were happy to go and work with them. But very soon they began to notice that sometimes the ghosts behaved somehow suspiciously. They disappear, glow and turn into creepy monsters. It looks like this place is not at all what it seems at first glance...