This article tells the story of what six teenagers from a mountain village encountered after they left the mountains and came to the city. The protagonist of the story, Ma Yi, as the leader of this team, did not choose to give up when he encountered many problems and difficulties. Although the world in front of him was completely different from what he imagined, he still led his brothers and friends to overcome obstacles in such a noisy world. Using their own methods, ignorant language, narrow understanding and continuous progress, they finally opened the door to their dreams.