Favor and Rowdy looking for grazing and water in the Lost Mountains find their path blocked by Indians and an old white man. They hire a guide but he is killed after a lost woman joins them. She has friends that put the group in danger.
Favor and Rowdy are scouting ahead to find a trail for the herd, a trail that has water and grass for the cows and goes through the Lost mountain range. As they prepare to camp music leads them to a well dressed older man MacKay watching a ballet dance. Once the show is over he offers to show them a pass and water but leaves before they can return. Trying on their own the path is blocked by Indians as they mysteriously allow MacKay to pass. They return to Endicott where they hire Joel Turner as a guide. Barbara Fraser asks to join them to find her missing father but Favor refuses. In the mountains the men find Fraser on her own thrown from her horse. The next morning Joel finds two men trailing them but they kill Joel before he kills them. Without a guide the trio is lost with no water as are the two men who killed Joel. Tyree and Banning spot an Indian who is killed by Banning who in turn is killed. Tyree is taken prisoner while the trio follows an Indian to MacKay's mine where Tyree... Written by