The book follows the life of a young orphan girl who is mistakenly sent to live with an elderly brother and sister who originally wanted to adopt a boy to help them with their farm in Prince Edward Island. Despite the initial disappointment, the girl's charm, vivacity, and imagination soon win over her new guardians. The story details her adventures and mishaps in her new home, her struggles and triumphs at school, and her gradual maturing into a smart, independent young woman.

This book continues the adventures of a spirited and imaginative young girl as she matures into a young woman in the small community of Avonlea. Now a teacher at the local school, she navigates the challenges and rewards of her profession while managing her responsibilities at home. Alongside her best friend, she embarks on various projects to improve her community, encountering a cast of memorable characters, both new and familiar. Through her experiences, she learns valuable lessons about responsibility, friendship, and the complexities of life. The novel is a heartwarming exploration of adolescence and the impact one person can have on those around them.