Small, secretive, and a little shady (in a good way), San Francisco's underground-dining scene is absolutely blowing up! Comprised of a web of exclusive supper clubs, the teams behind these dinners are more event-producers than chefs, oftentimes incorporating art, music, and performance into their meals, which are set in the most unlikely of locales. Of course, to attend any of these one-night pop-up "restaurants," you have to be very in-the-know. And that's where we come in with our complete list of the six hottest underground dinner troupes shaking things up right under your nose. Find out what makes each especially rad, plus how you can get on the inside track!