On September 5, 1886 Bat Masterson arrives at a tent city in Nevada where he was summoned by an old flame Laura Hopkins. As Bat arrives a group of wranglers led by the husky Clark Benson bring in a herd of wild horse to break and sell. However, Bat confronts them about the fact some of the horses are shod indicating they were stolen. Bat rides off spotting and talking to Joe Best chained to a jail tree. Laura has asked Bat there to save her fiancé Joe from a lynching. He is accused of murdering Clark Benson's brother after an argument with him. A circuit judge has been summoned but Bat doesn't believe Benson and the others will wait. He tries to stop them from an impromptu trial and hanging but a rock thrown at his head stops him cold. He must then find a way to save Joe Best from the lynching but Bat has an unpleasant surprise for Joe and Laura.