Jonas murders Montague and is exposed, so takes his own life. Old Martin's senility is seen to be a sham and at a family conference young Martin's inheritance is restored and a blessing given to wed Mary, while Pecksniff is punished.
Old Martin Chuzzlewit's health is not what it appears. Will Mercy escape her marriage? We learn more information about a previous death. Jonas' machinations come to light. Old characters reappear. Perhaps Mr. Chuffy knows more than thought.—lrathome