When teenager Addie, who has autism and struggles to fit in at high school, learns that her town once persecuted witches for being different, she feels a kinship.

Addie and Audrey's friendship blossoms as they go door-to-door to spread the word about Juniper's witches; Maggie starts a secret rebellion, putting her at odds with Elinor.

A trip to the big city leads to a shocking discovery about Maggie's disappearance; Nina and Keedie build a shaky truce while party shopping.

Addie is determined to make Nina and Keedie's party the best ever, but the plan falls apart when Emily blags a ticket; a party in the 16th century puts Maggie in danger.