At a quarter to midnight on Friday I spotted the man with a wire coming out of his ear and a giant flower on his lapel. He was standing outside a DUMBO subway station, wearing a suit and holding a clipboard just as I'd been promised. I approached nonchalantly, trying to play it cool in that overcompensating manner favored by shady characters. He was telling a small group of ten or so strangers to walk to a nearby pedestrian plaza and await further instructions. "Before We Were Ghosts" had begun.