Part 3, Chapter 15 Summary

Chatterton enters his room drunk and begins to drink even more from a bottle he keeps hidden in a chest under his bed. He nearly forgets his kill-or-cure, but remembers just before he climbs into bed. Chatterton cannot remember how much arsenic or opium to use so he simply guesses. Chatterton thinks of the boy with hydrocephalus as he drinks his cure.

Phillip goes to Harriet and tells her the truth about the Chatterton manuscripts. Harriet is no longer interested in the papers now that the mystery has been solved so she gives them back easily. Harriet also returns Charles's poems without having tried to get them published. Stewart Merk, in the meantime, has tried to clean the painting with alcohol so he can get down to the original paint and fix it. However, the alcohol eats through all the layers...