After taking out the two guards at one of the back doors of Emilio's mansion, Arthur steps inside. The interior resembles Josephine's home with its detailed and luxurious architecture, long hallways adorned with wallpapers, and spacious rooms throughout.
The Whittlee family employs far fewer servants than the Drummonds, and they are not treated as well in comparison. Since it's already past midnight, there shouldn't be many servants inside the house, but there are more due to the commotion caused by the severe condition of Emilio's health.
Several servants carry buckets of clean water and towels while others wash those that come dirty from upstairs. There are also servants carrying all kinds of medical items and tools, all heading in the same direction upstairs.