Young Nellie Jarvis, daughter of a wandering couple, witnesses the murder of a woman by a man and his wife. Years later, "Little Miss Yes'm", as Nellie is known, returns to the area as an orphan. Locals Mr. and Mrs. Hilton, though poverty stricken, take her into their family. Fully integrated with the loving Hiltons, she wishes to relieve them of their financial strain. Nellie travels to a nearby farmhouse to gain employment from depraved Martin Cain and his paranoid wife.