The setting could be a laboratory in Nevada, or an apartment in space.
The location isn't terribly important, because wherever it is Stein is hunched in one corner of the room, making quiet pathetic noises that he would probably be disgusted by if he were in his right mind. He's crying.
But all the lights are out, hiding the stitches on the walls and the arrows painted haphazardly on the floors and Stein's haggard state, deep shadows under his eyes and limp posture. Maybe that's for the best?