Trading company CEO Wu Hao died of brain caner, medical professor Pang transplanted the brain of Wang Jiapei, who was a farmer died of car crash, into Wu Hao's body. By this, Wang came back to life through the identity of Wu.

This movie accurately describes the accomplishment of chief hydraulic engineer Mr. Bing Li 2500 years ago, and his name is used as the title of this movie.

Lu Xi, a female engineer at a locomotive factory who lost her husband during the decade of turmoil, and Feng Shaoheng, a young engineer, are working on the automation of lathes.

PLA Pilots during the Korean War