After his son is killed in a gunfight by a trail herder, Jack Morse takes to drinking and gives control of his cattle dip station to a thug who demands an unreasonable charge for using the tick-killing bath. Favor and Yates come up with a plan to force Morse to come to his senses.; When the cattle drive has a rest stop by a river, Rowdy Yates takes the opportunity to visit a young lady he met the year before. Meanwhile, a gang fleeing a bank robbery decides to hold up in the hacienda of the woman and her father and Yates is taken captive with the others.; Wishbone teaches a youngster facts about horses.