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.

Addie and Audrey solidify their friendship when they go door to door to spread the word about the women who were wrongfully accused as witches. To heal the rift between her twin sisters, Addie plans a party for their upcoming birthday.

The Darrow sisters and Nina's boyfriend, Frank, go to the city in Addie's search for answers about Maggie's disappearance. While at the University library, Addie discovers some devastating information about Maggie's sister, Elinor.

Despite Mr. MacIntosh's strict rules about using the town hall and Miss Murphy's attempts to shut it down, Addie’s birthday party for Nina and Keedie is a success. But when Addie's bully Emily crashes the party, things take a downward turn.

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.

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.

Keedie comes to the rescue when costumes are needed for the history tour. Audrey accepts a job helping Miriam. Bonnie visits, hoping to see some change, but insists that Juniper is the same as ever. Addie receives unexpected recognition.

Audrey schedules a day off for Addie, hoping to find time to tell her about New York. Keedie and Nina watch the shop in Addie's absence and find evidence that someone has been breaking in. Jenna attempts to catch Jude's eye. Emily rights a wrong.

With the Founders’ Day dance approaching, Addie must find a story from Juniper’s past that the town can all be proud of. Bonnie lets Addie know that she has a story that fits the bill. Nina struggles with her options for college.

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.