Cowlorado Kid discovers gold in a river causing the Gold Rush on Moo Mesa which even gets Mayor Bulloney, Saddle Sore, and Boot Hill Buzzard to work on claiming the gold. Upon Boom Town being formed as part of the gold rush, the C.O.W.-Boys work to keep the settlement in line. When a claim-jumper named Big Bucks and his henchmen Digalong and Stub plot to steal everyone's gold, the C.O.W.-Boys spring into action to protect Boom Town.