The 100-year story of the iconic restaurant chain Horn & Hardart, the inspiration for Starbucks, where generations of Americans ate and drank coffee together at communal tables. From the perspective of former customers, we watch a business climb to its peak success and then grapple with fast food in a forever changed America. Lisa Hurwitz weaves together interviews with the exuberant Mel Brooks and his comedy partner Carl Reiner, Ruth Bader Ginsburg, and Colin Powell.