While the Thea sisters are at the excavation site of a dig at Hierapolis, Professor Brenninger unearths a series of priceless and very old figurines, but the Thea Sisters think the discovery may be a scam and investigate.
Miss Mallard investigates a headless demon and a series of mysterious accidents that threaten Dr. Dusty Duck's archaeological expedition in the jungles of Central America.
Hoping to impress the new girl in her class while they work together on an archeological dig project, Ameila tries to improve by giving herself a makeover and almost loses a friend in the process.