From The Last House on the Left director Dennis Iliadis and IFC Midnight comes +1, which follows three college friends as they head to the biggest bash of the year. Each is looking for something different: Love, sex, and a simple human connection. When a mysterious phenomenon hits the rave, this mild mannered get-together turns into the party of the year, and the strangest night of a lifetime. As things descend into complete chaos, the three friends must put their plans on hold to discover if they have it within themselves to even survive. Check out eight new photos from this supernatural thriller, in limited theaters starting September 20.