Sulphur Springs is the story of the friendship of two women who come from very different backgrounds. They meet by chance in Sheridan, Wyoming in 1895. Duha (pronounced DooHa) is the daughter of a slave midwife. Her mother and she are determined to escape the racism in Independence, Missouri, by migrating to Washington State. But her mother dies in Sheridan, Wyoming, leaving Duha with no money, no job and no future but to work in the brothels outside...