The Asama-Sanso Incident occurred on February 28, 1972, after members of the United Red Army barricaded themselves up at a lodge in Karuizawa. After 10 days, riot police began their siege, and soon Asama-Sanso was full of bullets, high-pressured water, and tear gas. What really happened on that day? We hear the untold stories of the incident with eyewitness accounts of those involved, including the riot police captain, newscasters, and one of the United Red Army members.