Based on the American Girl line of dolls and books, where 9-yr old orphaned Samantha goes to live with her grandmother in 1904. When a poor family comes to work as servants for the family next door, Samantha is delighted to find that one of the girls, Nellie O'Malley, is her age. Unconcerned with the social code of the day, Samantha quickly forms a close friendship with Nellie and her two little sisters. When the death of Nellie's father leads to the three O'Malley girls being sent to an orphanage, Samantha refuses to give up her friend and plots the sisters' dramatic escape. In the end, Samantha, Nellie and her sisters all find a home and a family they can call their own.