Netflix has lately cornered the market on stories set in retirement communities, thanks to season one of Ted Danson’s private eye comedy Man on the Inside and the Helen Mirren-starring mystery Thursday Murder Club . Horror is the streamer’s next target in new series The Boroughs , and with the Duffer Brothers (who just flexed their executive-producing talents with Something Very Bad Is Going to Happen ) bringing some of that Stranger Things darkness and a ridiculously great cast of actors we still can’t quite believe qualify as senior citizens, it looks like another delight. Check out the latest trailer for The Boroughs , which fills in a lot more story hints beyond that first teaser . “In the sun-drenched expanse of the New Mexico desert lies the Boroughs, a picturesque retirement community promising its residents the time of their lives,” reads Netflix’s official description. “But for new arrival Sam Cooper (Alfred Molina), paradise feels more like a prison.…