In the world of Go, there are more moves in one game than there are atoms in the universe. This endless possibility of change also makes this ancient game regarded as a mountain that is difficult to climb for artificial intelligence. However, in the 2016 "Man-Machine Game of the Century", the artificial intelligence AlphaGo developed by the Google DeepMind team defeated Korean 9-dan chess player Lee Sedol with a record of 4:1, completely reversing human imagination of AI capabilities. This film records the "birth" process of AlphaGo - the era when AI surpasses the human brain seems to have arrived, but is it really so?