In which Dr Thorne, newly settled in the village of Greshamsbury, faces professional opposition from the established medical gentlemen owing to his unconventional practice and modest fees, yet gradually wins the affection of the local children and the squire through his honest, energetic character and devoted care. Meanwhile, his niece Mary Thorne comes to live with him, bringing new order to his household and developing into a young lady of spirit and intelligence, who, despite occasional conflicts with the village society, earns lasting respect and friendship.