Kelly Quinn and her two best friends, Darbie and Hannah, stumble upon her grandmother's mysterious cookbook in the attic and discover some far from ordinary recipes. The girls discover the recipes have the power of magic.

In an attempt to save Grandma, the girls make a brain-boosting bolognese to help decipher the book's clues. However, at school, they learn that it is possible to be too smart for their own good. Meanwhile, the mystery of Grandma's past deepens.

When the girls lose a neighbour's dog, they cast a `Lost and Found-ue' spell that attracts everything that has been lost in the neighbourhood over the years. Meanwhile, Mama P attempts to use magic to prepare for a long-awaited trip.

The girls attempt to get Mama P to disclose the mysteries of the past, Kelly is forced to spend the day with her mum to cover for her excessive honesty, and Hannah and Darbie clash while searching for a way to break Terri's spell.

In order to convince Jake that magic is real, the girls cook three mystery spells for him to sample. However, the unexpected downsides jeopardise Hannah's chances of winning a school-wide fund-raising contest.