Keedie avoids her new friends out of fear they'll treat her differently if they know she has autism. Addie's fundraising campaign disrupts a beloved town event, which turns into the opportunity Miss Murphy needs to take control of the town council.

Addie's mum accidentally invites Jenna to Addie and Audrey's slumber party. Addie reads from Lady Margaret's diary about her attempt to rescue her servant, Beth. Jenna questions Keedie on the rift between her and Miss Murphy.

Backstage drama threatens the school's production of Macbeth. Emily's jealousy reaches a breaking point and she lashes out at Addie. Nina and Keedie must then rescue their little sister from the wrath of Miss Murphy.

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.

The Darrow sisters' sleepover turns chaotic when Bonnie seeks to disrupt their perfect image. Addie uncovers a WWII code-breaking story linked to Verity Loveday, raising questions of truth and loyalty.

Addie seeks confirmation of the Codebreakers story for the Founders’ Day event. Miriam's reluctance gives way to a touching revelation.

The Founders’ Day dance takes Juniper back to 1944. Addie feels on top of the world but a well-meaning mistake threatens to undo all her good work.

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.