In seven days Edgar's decline turns hourly; Cathy will not be deceived and grudges every moment from his pillow while Nelly silently lets Edgar imagine Linton resembles him in mind. Through pardonable weakness Nelly refrains from correcting the error, asking what good there would be in disturbing his last moments with truths he cannot use. She promises the dying man that his nephew's letters are affectionate, knowing Linton writes only under Heathcliff's dictation. They defer the excursion until a golden August afternoon when every breath from the hills seems full of life, though Catherine's heart reproaches itself for even passing forgetfulness of Edgar's care.
On the heath Linton greets them with fear rather than joy. Catherine demands candor; he gasps that his life is in her hands, confesses he is a traitor, and collapses until she raises him. Heathcliff appears, bullies the boy upright, and pressures Catherine to walk him toward Wuthering Heights. Nelly follows rather than lose sight of her charge; at the threshold Heathcliff pushes them inside, shuts the door, and locks it while promising tea.
Catherine snatches for the key; Heathcliff seizes her, pulls her onto his knee, and administers a shower of slaps. Linton admits his father wants them married in the morning so Edgar cannot alter his will, while Catherine vows to burn her way out. Heathcliff reframes the kidnapping: she entered of her own accord and tired of nursing a dying father. She kneels and offers to marry within the hour if she may reach Thrushcross Grange afterward, but he brutally repulses her plea.
Servants from the Grange talk at the garden gate; Heathcliff returns alone after two or three minutes while Catherine and Nelly were not at the lattice to call out. Allowed to wail until nine, they are locked in Zillah's chamber with no escape through window or garret. Catherine watches the lattice alone for morning while Nelly blames her own earlier silence. Nelly remains imprisoned five nights and four days, seeing only Hareton each morning, while Edgar lies unreachable and Heathcliff tightens his legal grip before the father can intervene.