Byrne Jameson is a rancher with a secret. Years ago he established a town on the very edge of the frontier, naming it Flintridge for the majestic bluffs surrounding the place. Byrne carved out a living as a mustang runner, chasing wild horses over the rough terrain. Those he managed to capture and tame were auctioned. At first, the rancher's only hope was to make enough money to support his wife, who waited for him back east. Now, life in the West is plagued by the presence of rough men, outlaws, who attack the frontier towns. Robberies and murders are committed indiscriminately. Lawmen are...