This summer, escape the heat and spend a night immersed in other people's problems. In Mouth Pieces, Jeff, a smarmy office manager, attempts to have an Oprah moment with his colleagues. Johnny, a cruise-ship fanatic, drifts off course into revealing his own loneliness. Susan, the maid of honor at her sister's wedding, tells all in what is supposed to be a humorous toast. These people have issues. And they're discussing them in public.