Evilyn Badmanners and Goodrun Smith are two half-sisters who couldn’t be more different: what’s more, they are both witches! But Goodrun discovers that being good at magic isn’t as easy as you’d think.
Though Evilyn and Goodrun are both the daughters of Witch Hayzell, they are not at all alike. When the two sisters are sent to the Academy of Black Art for their education, the witches in charge are impressed with Evilyn. Goodrun, however, fails in everything she does. During the final examinations, Goodrun fumbles in her spells and unwittingly creates havoc at the Academy…

Goodrun Smith, the good, but incompetent witch finds herself in a spot of bother when her wicked half-sister Evilyn Badmanners causes an eclipse by zapping a bathtub to the skies. Under the cover of darkness, the witches come out and do mischief to the townsfolk. It is up to Goodrun to think of a way to break the spell and lift the darkness.

Can she escape her witchy past?

Plotting revenge, Fustia Necromancy begins her search for ex-pupil Goodrun who destroyed her Witches Academy. But Goodrun has changed her name and returned to the mortal world where she thinks she is safe. Meanwhile, sister Evilyn is looking for mischief and finds it – when she gets a job as a reporter on a new magazine, The Hag Mag, editor: Fustia Necromancy! With Evilyn’s help, Fustia leads Goodrun into a trap. But half-witch Goodrun still has a trick or two up her sleeve…