Anne of Green Gables follows Anne Shirley, an imaginative and talkative orphan girl who is mistakenly sent to live with Marilla and Matthew Cuthbert, an elderly brother and sister who originally intended to adopt a boy. Despite the misunderstanding, Anne quickly becomes part of their lives and brings joy, chaos, and transformation to the quiet village of Avonlea. As she grows up, Anne faces challenges in school, friendships, and self-acceptance while maintaining her strong imagination and optimistic spirit. The novel explores themes of identity, belonging, family, friendship, and the power of imagination.