A manipulative childhood acquaintance worms her way into a teenager's circle of friends at an all-girls boarding school.

Mrs. Tependris is on one of her famous retreats – cryogenically frozen for chic posterity – when inspiration comes calling: it's time for a fashion comeback. With her assistant Pearl, her dog Pepe, and her sly sense of humour, Mrs. Tependris must face 20-foot spiders and catwalk catastrophe on her fabulous journey from ice-cube to icon.