Tiga Whicabim is settling in to the witchy world of Ritzy City. Peggy is Top Witch, and Tiga is enjoying life at the Brews' house with Fluffanora. But when Fran the Fabulous Fairy visits Linden House and finds Peggy has gone, leaving evil Felicity Bat in charge - the girls realise something is very wrong. When witches all across town start to disappear, Tiga and Fluffanora set out to investigate and discover an unsolved mystery that might just be the key to it all.