Chapter Overview (What Happens)
Nelly Dean returns to Thrushcross Grange after a long absence and notices major changes. Edgar Linton’s health is declining, and Cathy has become more secretive and emotionally restless. Nelly discovers that Cathy has been exchanging letters with her cousin Linton Heathcliff, a connection encouraged indirectly by Heathcliff. The chapter sets up growing tension between the Grange and Wuthering Heights.