3x11 - The High Chaparral

Blue falls in love with an attractive houseguest but the romance is marred when the girl and her father reveal the true purpose of their visit. Promoter Gar Burnett and daughter Trece charm their way into being invited to the Chaparral Ranch as part of a scheme to blackmail John Cannon. Enamored of the girl, Blue refuses to believe that Trece was aware of her father's plot.