Isabella, a noble's daughter, feels trapped in an all-girls academy meant to refine her into a proper lady. Struggling with her studies, her family enlists Violet Evergarden to tutor her discreetly. Initially distant, Isabella learns of Violet's own challenges and gradually opens up. She confides in Violet about her lost sister, Taylor Bartlett, whom she longs to reconnect with. Impressed by Violet's skill with words, Isabella contemplates reaching out to Taylor through a heartfelt letter. Can Violet assist Isabella in bridging the gap with her sister through the power of written words?