Dr. Mike's (Jane Seymour) sister, Marjorie (guest star Alley Mills), returns to Colorado Springs as a member of the Women's Temperance League to outlaw alcohol.
Jake's (Jim Knobeloch) fears are sparked when he sees Teresa (Alex Meneses) meeting privately with Hank (William Shockley).
It is suspected that Grace (Jonelle Allen) may be inadvertently abusing alcohol through the "tonic" she takes to help her sleep.
Meanwhile, Sully (Joe Lando) and Cloud Dancing (Larry Sellers) try to reason with Black Moon (guest star Gregory Norman Cruz), a young brave experiencing "visions" of victory over the cavalry.