People are flocking to Ghastly-Gorm Hall to compete in Lord Goth's Literary Dog Show. The judges are in place and the contestants are all ready to win. But there's something strange going on at Ghastly-Gorm - mysterious footprints, howls in the night and some suspiciously chewed shoes. Can Ada, the Attic Club and their new friends the Vicarage sisters work out what's going on before the next full moon?'