A father and son try to save a small town and its newly-built tunnel that is threatened by natural disasters.
April 23, 1981 in Pingdingshan, Henan, China
12 June 1968, Shanxi, China
April 16, 1988 in Wuhan, Hubei, China
15 January 1972, Wuxi, Jiangsu Province, China
17 January 1955, Sichuan, China
November 23, 1993 in Harbin, Heilongjiang, China
5 March 1978, Tianjin, China

