Parmalee sends Reese, Chad and Joe to Porfirio to investigate Mexican bandits but find elderly Alvar de Aveles flying a Mexican flag over the jail on Alamo Day. Reese breaks into the jail, through the roof, and talks to de Aveles. As this happens de Aveles companions, unknown to or approved by him, rob the entire town, including Chad and Joe. When they emerge from the jail Reese is knocked out and taken prisoner. Chad and Joe must stop the Mexican Bandits before they cross the border with Reese. Since everything was stolen they have to acquire boots, horses, guns, etc. along the way. After crossing the border Reese is made to walk and Aveles willingly joins him. When Chad and Joe catch up Reese gets to fight the gang's leader, Paco Vargas.

Grover's Bend storekeeper Mr. Tinker telegraphs Parmalee that cattleman Ed Garmes is bullying a sheep raising religious group called the Peaceables, who refuse to defend themselves because of their beliefs. Chad, Joe and Reese are sent to protect them. Reese hurt his back in Laredo and is in need of bed rest by the time they reach Ernest Snilly's sheep ranch. Chad and Joe head into Grover's Bend while Reese is cared for by Snilly's daughter Delia who does her best to convert Reese to their non-violent ways. A pacified Reese is roughed up by Ace Brady and the other toughs Garmes has hired while Chad and Joe set to jailing half the gang, arresting one or two at a time. Ace and the gang ambush Chad and Joe who take refuge in the jail. Chad tries to snap Reese out of his new beliefs by convincing Garmes that Delia loves him but wants him to be more forceful. He attempts this at the Snilly house where Delia cracks him on the head with a frying pan when he touches her. Reese comes to