After their first nine months on the recently opened Comanche range, the ranch-owners banded together to organize a great round-up. John Chisum, the Cattle King, planned to gain control by making sure that one of his men was picked as the roundup captain. But the job went to a passing stranger. Removing him should not have been any great problem to Chisum, for his men were of the killer breed, mean gunmen to the core. However, there was one small detail, a fly in the ointment to Chisum's success. The name of the passing stranger was Dusty Fog.