Realistic drama which revolves around a group of young scientists devoted to the testing of atomic and hydrogen bombs. A story from the 1960's until the advent of a new millennia that revolves around young people who devote themselves to construction as a means to serve their country. As Chairman Mao's ideals shape the nation, Zhang Lijun who hails from a military background, Ma Chaoyang who is the son of a farmer, Lu Ruowen who comes from a wealthy family and Xiang Qing who has returned from the Soviet Union are impassioned youths who have arrived at Chong San Jun Ling.