Second-grade witch Heidi Heckelbeck wants revenge against Melanie, the meanest girl in school, so she decides to cast a forgetting spell on her right before the start of the school play.
When Heidi is paired with Stanley, her worst enemy's best friend, for the Brewster Science Fair and she suddenly starts getting notes from a secret admirer, she tries to use magic to discover the note-writer's identity.
After Heidi borrows her mother's charm bracelet without permission, it gets damaged and she uses magic to try to repair it before her mother finds out, but there is a problem that only Aunt Trudy or Santa can fix.
After being homeschooled her whole life, Heidi Heckelbeck enters a real school in second grade, where she encounters a mean girl named Melanie who makes her feel like an alien.
Brewster Elementary School is going to have its very own weekly news program, and both Heidi and her nemesis, Melanie Maplethorpe, want to be the star of the show.
When Heidi experiences the perfect day she decides to sneak in a little magic to make every day just as awesome, but her plan goes awry when she relives the same perfect day over and over again.
Having decided housecleaning is too much for her to handle, Heidi Heckelbeck pulls out her Book of Spells and conjures up a helper, with disastrous results.