Mu Yang traveled to the modern times and lived as a left-behind child in the village for twelve years. After his grandfather passed away, his parents took him to the city. When he came to the big city, he realized how interesting the world is. Mu Yang: Dad, Mom, someone said he was a coach of the national team and wanted to train me to be an athlete. Mu's father and mother: Liar! Ignore it! Mu Yang: OK. Mu Yang: Dad, Mom, someone said he was a director and wanted me to go to film. Mu's father and mother: He is a liar as soon as he heard it! Studying hard is better than anything else! Mu Yang: OK. Mu Yang: Dad, Mom, someone said he was the director of a museum... Mu's father and mother: Today's liars are really wicked and specialize in deceiving children.