Flintwinch taunts Arthur's mother about the mystery at the heart of the House of Clennam, while Amy discovers that 'a gentleman' has paid off her brother's debts, and Arthur is invited to Twickenham to renew his acquaintance with the lovely Pet Meagles.

Amy accompanies her sister Fanny to meet Mrs Merdle, queen bee of London society. Meanwhile, Rigaud comes into possession of the Clennam papers, and Chivery the turnkey asks Arthur to put in a word for young John with Amy.