S1·E15 Duel at Shiloh

This episode explains how Steve Hill came to work at Shiloh Ranch. Running away from home to become a cowhand he meets grizzled cowboy Johnny Wade (Brian Keith) who takes him under his wing and gets him a job working at a new ranch owned by Georgia Price (Geraldine Brooks). Georgia's plan is to make a huge profit quickly at the expense of destroying the common range by overgrazing. She uses her feminine wiles to get Johnny to head up her plan and their actions bring them into conflict with Judge Garth and eventually, with Steve Hill. Steve leaves to work at Shiloh and is forced into a showdown with his former friend and mentor Johnny.