Tonton Streaming The High Chaparral (1967) S1E12 - The Price of Revenge

Buck Cannon goes to work as foreman for a lovely neighboring widow, and clashes with his brother John when the job appears permanent. Buck falls in love with the widow, Melanie Cawthorne, and becomes her tool as she strives for quick riches and respectability. As water grows scarce, she buys stolen Mexican cattle from Romero without Buck's knowledge.