Molly Thompson has lots of questions. Questions like, is her Aunt Carol an undead fiend who drinks the blood of the living? Is she secretly lurking in the attic? And is Molly's friend Lowry a descendant of a long line of Kroglin werewolves?

Serious young historian Molly suspects that the creepy legends about her tourist town of Howlfair are starting to come true. But when her mother bans her from doing any further research, bookworm Molly and her friends - scatty Lowry and guardian-cat Gabriel - become covert monster-hunters to keep Howlfair safe. It seems that someone is secretly trying to summon Howlfair's mythical monsters, and with the election of a new town mayor looming, everything – and everyone – is becoming increasingly suspicious...