A young orphan girl navigates the complexities of a new life and the societal expectations of the early 20th century. Rebecca Randall, a spirited and imaginative orphan, is sent to live with her Aunt Jane and Uncle Alex in a small New England town. She must adapt to a more structured life, grappling with the strictures of propriety and the expectations placed upon young ladies, all while maintaining her independent spirit and her unique way of seeing the world.

The New Chronicles of Rebecca is often appreciated for its charming portrayal of a young girl's development and her insightful observations of the world around her. Readers connect with Rebecca's independent spirit and her journey through adolescence. The epistolary format allows for a deep dive into her thoughts and feelings, making her experiences feel immediate and personal. The novel is generally seen as a gentle, character-driven story that reflects the social milieu of its time.