 Don Chimera del Laredo rides onto the McCain ranch with Gates his foreman. The Don fancies himself a 15th century Knight. He has arrived at the ranch to settle an old score with Colonel Black. Lucas used to ride with Don Chimera and Col. Black. It appears that a duel is imminent until Lucas discovers the grudge is over a chess match and both accuse the other of cheating. Lucas is able to dissuade them from a real fight and convinces them to play a game while he is watching to see if their is any cheating. Their hands Gates and Scoobo bet heavily on the outcome.