Tharon Last (Dorothy Dalton) organizes a group of local citizens when her rancher father is killed by a villainous outlaw. Vowing revenge, she soon becomes adept at handling a six shooter. Tharon soon discovers the judge and the local sheriff are crooked, so she takes the law into her own hands. Riding to a saloon infested with outlaws, she challenges the ringleader to a showdown. Tharon shoots the gun out of his hand, but can't bring herself to kill the unarmed villain until he reaches for a hidden gun.