Tong Yongqing, a 17-year-old girl, went to South Korea to "pay off a debt" for her father. In a series of emotions and betrayals, she met him in her dream. After all kinds of entanglements, she returned to China in embarrassment three months later! What caused her simple but smart temperament to change drastically? Where will her emotional road go? How can the grievances of the previous generation and the shackles of this generation be resolved, so that this heavy fog can be lifted?