Samantha Parkingtson is an orphan who lives with her rich grandmother in 1904. There are many servants in Grandmary's bustling household, but there is no one for Samantha to play with. Tha's why she's so excited when Nellie, a servant girl, moves in next door. Although their lives are different, the two girls become best friends. One day Samantha discovers that Jessie, the seamstress, is leaving. No one will tell her why. So she and Nellie plan a secret midnight adventure to find out.