Louis Scatcherd follows his father's self destructive drinking habit and disgraces himself while at dinner with Doctor Thorne and the Greshams. Following the pressure exerted upon Mary by Frank's mother, Lady Arabella, along with her sister-in-law, Mary breaks her engagement to Frank. Louis Scatcherd’s drunken rage does not bode well for him. Frank's mother, Lady Arabella, repents. A happy ending at last.