Wagon Train (1957)

S7E1 The Molly Kincaid Story

After departing from St. Joseph, Hale informs the group that there are no Indians around. However, two escaped Comanche captives manage to steal a couple of horses and arrive at the wagon train's first stop. The woman among them is driven by a fierce desire for vengeance against her cowardly husband, whom she intends to kill.