On May 12, 2008, the Longmenshan earthquake struck. On the edge of the hardest-hit area, a privately funded hospital built in the shape of the Pentagon, Chenli Hospital, became the only medical sanctuary left standing in the quake zone. With its medicine running out, aftershocks continuing, and a flood of wounded pouring in, the hospital held fast amid the ruins, its reserves of two thousand tons of traditional Chinese medicine, world-leading seismic isolation technology, and countless dedicated medical workers sustaining a beacon of life...