You must perform four specific actions before meeting Dutch on the balcony:
Once inside the house, wait for the servant to finish speaking with a maid and move upstairs. Follow him slowly and wait for him to place a ledger in a desk drawer. Once he leaves, inspect the desk to retrieve it. The Gilded Cage
To achieve a in this Chapter 4 mission, you must complete specific social and stealth objectives without being detected. You must perform four specific actions before meeting
Follow the servant in the white coat after the fireworks. Stay far enough back to avoid suspicion. To achieve a in this Chapter 4 mission,
Talk to the two men near the landscaping on your way to the mayor; they will offer you theater tickets. Stealth Objectives (The Tail):
Offer champagne to the three ladies with empty glasses standing near the band.
If you are looking for a reader’s guide or summary for this sequel, here are the key highlights: Book Review: The Gilded Cage - Madison's Library