Little Nan Griffing whiles away the hours on her parents' farm with Simple Simon Magee, an adult with the mind of a child. While rummaging through the attic one day, Nan discovers a costume that was worn by her mother Ethel when she was on the stage and begs to be taught to dance. Ethel complies, but the lessons are soon interrupted by several horrified members of the local church society.

Little Sallie O'Brien, who sells newspapers on the city streets, is adopted by Bridget Cassidy, the landlady, when her mother dies. Mrs. Cassidy treats the child cruelly, but soon the wealthy James Wilson befriends Sallie and takes her into his home. Sallie is befriended by Wilson's son Richard, but his daughter Marjorie dislikes the impish little girl.