When Tabitha Two Owls was a baby, the great wizard Odelfius pronounced her " The Witch Who Wasn' t" . Her best friend, Jemima Jerribode, believes that Odelfius didn' t intend any insult but merely forgot to finish his sentence. However, his proclamation left Tabitha doubting her identity. She has dedicated her life to proving her worth as a witch, with disastrous results.Tabitha flunks her final school exam and fails to redeem herself at the Hall of Trials. The powerful Eldwitches ban her from practising magic, leaving her adrift in a sea of disillusion. But fate has a plan for the young witch. A series of events forces her to reclaim her magical heritage and lead a battle against an ancient evil threatening to destroy the land. In doing so, she understands what being The Witch Who Wasn' t truly means.