Born in a wealthy capitalist family, Ryoichi Ichakuchi (Yingtai) has been privileged since childhood. After his father (Komura Falcon) died of illness, he inherited the courage of the eldest brother of the family business (Yosuke Yosuke) and committed suicide with a gun. After that, his mother (Miyuki Matsuda) died of depression, and his younger brother Kenta (KenKen) died in a car race. Liang fell from heaven to hell overnight, leaving only him and his sister Mei Xiangnai (decorated with Kawakawa). After that, Liangyi lived in seclusion with his father's inheritance and his brother built a wooden house in the mountains, snow-capped and isolated. Liangyi patiently made small bombs and felt that the industrial society had enslaved people's freedom and nature. he was determined to overthrow the existing system in the form of violence. On the edge of alienation, the ghost of courage and Jian Tai alternately appeared in front of Liangyi, guiding him to the end of his tragic fate. The film is based on the story of the serial bomber Theodore Ted Kaczynski, who shocked the United States in the 1970s.