In the summer of 1992, the author (future agent 33) has an interesting discussion with an Amerasian bartender in the fabled Sidle on N pub in the Outer Sunset district of San Francisco. Apparently, Dash the bartender, has found a 'unique' place in nearby Golden Gate Park where he and his girlfriend can live rent-free. The author is very intrigued, and goes to the park a few days later to try to find their lodgings. He sees a face in a high window for a split-second. 
Another psecret psociety pshort pstory. Some of this tale was incorporated into the Mysterieau of San Francisco novella.
Spoiler alert: No Mr. Malloy this time.