Merida is transported to the past where she and her teenage mother Elinor band together to bridge the rift between Clans MacCameron and DunBroch.

Following a confrontation with her reclusive great-grandfather, the one-time Wizard of Oz, Rainary Ko—the granddaughter of Oz's Wicked Witch of the West—has re-upped in a mission to settle a few scores and right a wrong or two. Her memory and her passions reviving, Rain turns her gaze back to her native Oz. Though the Grimmerie, which she had cast into the sea, retains its arcane power over her, the lover she left behind in Oz proves no less haunting....

Struggling to finish her writing assignment, Rosie's friend Wolfie unwittingly furnishes the perfect storytelling "twist" she needs.