Fallout 76: Search the front parlor while wearing a veil - Into the Mystery

Search the front parlor while wearing a veil is an objective in Fallout 76 (F76).

Quest

With more of the history of the Riverside Manor learned, it is time to head toward the secret entrance.
Head out to the hallway and then take the stairs down toward the main entrance.
At the base of the stairs, turn to the right.
This will lead you into the front parlor.
Equip the Tattered Veil.
In front of you, you will see 2 portraits.
Go to the left of the portraits and approach the screen there.
With the Tattered Veil on, the screen to the left of the portraits.
These screens will move, revealing a door behind it, which will also open.
Head into the newly revealed hallway, going down the stairs and pass through the numerous grids that would block your way if you do not wear the Tattered Veil.
Just go past 1 more hidden door to find your way into the Chamber of Mysteries.