Dorkius is annoyed when he has to move with his family to Pompeii for the summer in his third adventure Dorkius has to leave behind all the joys of Rome for a boring small town. He finds the people of Pompeii to be even more superstitious than his mom, and watches in disbelief as they base all their decisions around animal innards readings. Things brighten up when he meets Decima, a local girl who's convinced a demon is haunting nearby Mount Vesuvius...