A field trip ignites Addie's desire to solve a centuries-old mystery: what happened to Lady Margaret Fraser? With the help of her older sisters Keedie and Nina, Addie begins her search for answers.

Addie's older sister Nina gives her a makeover. Later, when Addie gives a speech in front of the town council, she is heartbroken to find that her new best friend Audrey, who promised to support her, doesn't show up to hear her speech.

Both at low points following their confrontations with Miss Murphy, Addie, and Keedie turn to each other for healing. Frank creates a much-needed diversion for Nina when he recruits her to help him find a lost turtle.

Addie's fate at her school is decided. Audrey and Frank discover the amazing story of Lady Margaret's escape, inspiring Addie to make one final plea to the town for a memorial for young women wrongfully accused as witches.

Addie’s memorial brings her more attention than she anticipated. A new adventure awaits Addie when she discovers an abandoned bookstore. Keedie makes the connection between an old friend and an online troll.

Addie, Audrey, and Jenna work to reopen the village bookstore to keep Pamela Parks from selling it. Keedie joins Nina and Frank at the University Fair but leaves to visit Bonnie, who still has bad feelings about Juniper. Audrey has a choice to make.

Panic ensues in Juniper as everyone searches for Addie and Bonnie. With the bookstore vandalized, Emily’s mum seeks an advantage. Tensions rise between Bonnie's and Addie's parents.

Do Good Books is up for sale and Bonnie is banned from Juniper. But when Addie and her friends find a final clue for the mysterious safe there might be a way to save the shop... and Bonnie too.