During the trial, Jem learns of Mary's great love for him. Will arrives in court to testify, and Jem is found "not guilty". Mary has fallen ill during the trial and is nursed by Mr Sturgis, an old sailor, and his wife. When she finally returns to Manchester she has to face her father, who is crushed by his remorse. He summons John Carson, Harry's father, to confess to him that he is the murderer. Carson is still set on justice, but after turning to the Bible he forgives Barton, who dies soon afterwards in Carson's arms. Not long after this Esther comes back to Mary's home, where she, too, soon dies.
Jem decides to leave England, where, his reputation damaged, it would be difficult for him to find a new job. The novel ends with the wedded Mary and Jem, their little child, and Mrs Wilson living happily in Canada. News comes that Margaret has regained her sight and that she and Will, soon to be married, will visit.