On June 5, 1989, a single unarmed man steps in front of a column of tanks rolling down Beijing's Avenue of Eternal Peace, one day after troops cleared thousands of demonstrators from Tiananmen Square. Western photographers and camera crews in nearby hotels catch the standoff on film, and those few minutes of footage become one of the most reproduced images of the twentieth century. FRONTLINE works backward from the picture to the man himself, interviewing journalists who were on the scene, Chinese dissidents living in exile, and officials who track how Beijing has spent decades erasing the moment from its own history and classrooms. No one interviewed can confirm his name or what became of him, and the film treats that uncertainty as the actual story: a government that crushed a movement can still be unsettled by one unidentified figure holding shopping bags. Reenactment is minimal; the footage and photographs carry the weight, backed by testimony on how the image traveled and why China worked so hard to keep it from traveling further at home.