Frances Hodgson Burnett

A ten-year-old orphan comes to live in a lonely house on the Yorkshire moors where she discovers an invalid cousin and the mysteries of a locked garden.

A simplified retelling of the fate of Sara Crewe who, after her father's death leaves her penniless, loses her privileged status at Miss Minchin's London boarding school and endures many hardships and cruel treatment until she is helped by a mysterious benefactor.