The Velvet Curtain

 is a Fallout 3 quest that is added to the game with the Point Lookout add-on.

This particular quest leads you in an investigation to find out the whereabouts of missing Chinese agent, Wan Yang.

Walkthrough

 * To start this side quest, travel to the homestead motel, north of Pilgrim's Landing. Enter Room 1D and activate the terminal. You will receive instructions to go to the lockers that are south of the motel and use a key to get into the locker. The key is located inside the breifcase on the bed.


 * Once at the locker, open it and take the holotape "Box 1207 - Spy's Audio Password". The holotape instructs you to go to the bank and use the password on the tape. It also informs you the safety deposit boxes only use their voices.


 * At to bank, go the the safety deposit box room and stand in front of the speaker. Activate the holotape you recieved from the locker. The speaker will say "Safety deposit access granted. Have a pleasant day" upon which box 1207 will open. Pick up the holotape "Espionage Debriefing". This tape informs you of Agent Jiang's mission to destroy a Chinese submarine and his search for another agent, Agent Yang.


 * Exit the bank and walk to the Recruitment Station. Go through the first door on the left and activate the DiA Officer's Terminal. Access the file "Field Report - Yang Capture/Transfer". Read it to learn the fate of Yang being captured by U.S. officials and detained at Turtledove Detention Camp.


 * Turtledove is directly north from the Recruitment Center. You can either walk there or fast travel to a closer location and walk from there. Once at turtle dove enter the morgue throught the cellar door. Open Yang's remains locker and take the self distruct codes. *Note* It is a good idea to go inside the administration building, as there is a mini nuke among other ammo.


 * Make your to the Sub recovery site. Once there, dive under water and enter the hatch which is on the top of the sub. Inside, activate the terminal and initiate the self destruct. To finish the self destruct protocol, flip the switch in the back of the sub, under the tube on the left. After that, get out of the sub and swim away from it. After the sub blows up, you are instructed to return to the safehouse, Room 1D.

Reward

 * Backwater Rifle
 * Tons of ammunition (5mm, 5.56mm)
 * Cryptochromatic Spectacles