The events depicted in Riders of the Purple Sage occur in mid-spring and late summer 1871. Early in Riders of the Purple Sage, Jane Withersteen's main conflict is her right to befriend a Gentile. (The word Gentile means "non-Mormon" and is used a lot in the book). Jane Withersteen’s father wished Jane to marry Elder Tull, but Jane refused saying she did not love him, causing controversy and leading to persecution by the local Mormons.
Jane’s friend, (cowboy) Bern Venters is "arrested" by Tull and his men, but is not clear under what authority. Jane defends Venters, declaring him her best rider. Her churchmen refuse to value the opinion of a woman:
"Tull lifted a shaking finger toward her. 'That'll do from you. Understand, you'll not be allowed to hold this boy [Venters] to a friendship that's offensive to your bishop. Jane Withersteen, your father left you wealth and power. It has turned your head. You haven't yet come to see the place of Mormon women ...'"