A Desert Wooing(1918)

When wealthy cattleman Bart Masters (Jack Holt) comes East, he falls in love with social butterfly Avice Bereton (Enid Bennett). She marries Bart for his money, all the while promising to continue her romance with society doctor Van Fleet (Donald MacDonald). Bart knows what's going on behind his back, but he insists that Avice return with him to his ranch and at least make an effort to be a dutiful wife.