After Mimi moves into rehab to heal a broken leg, Saige misses her grandma terribly. She takes comfort in riding Mimi's youngest horse, Georgia, and painting in her art studio. But when Saige learns that Mimi may soon sell Georgia, she's devastated. Why does everything have to change? After making an exciting discovery at the rehab center, Saige hatches a plot to restore her art afternoons with Mimi, and maybe even jump-start the new art program at school. But she still worries about losing Georgia. Can she tap into her creativity and imagination to hang on to the horse she loves?