Roy Evans finds a dead guy hung upside down from a tree. Rivera says the bandit Sanchez did it. Roy sees Rivera collecting coyote weed. There are groups of men up in the hills surrounding the herd. The drovers are concerned. Roy falls off his horse, a loose saddle. A storm spooks the herd. Against Favor's orders Roy goes to help. He is stampeded. Rowdy accuses Favor of letting Roy die. The stew is particularly bad. Many get sick. Prescott's unconcious. Favor says they've been poisoned with coyote weed. Favor is going to search all pockets and saddle bags. Rivera tries to leave. Rowdy stops him. He tells Favor Rivera poisoned them. Wish has Mushy make up a cure. Porter dies. The vultures circling let Sanchez know they're sick. The men are going to play dead. Rivera gets loose. Favor chases and kills him. Sanchez and his men ride in. They are driven off.