MacKenzie is injured saving Tate on a cattle drive. Tate takes him to Concho for help only to find the doctor there is in jail and to hang the next day. Tate is able to secure his release but finds that it comes with some high costs.

At the same time the Colonel's niece is visiting from England, Trampas is one of the suspects in the killing of a fellow ranch hand based on his custom gun. Trampas believes four brothers killed their cousin but how can he prove it?