A group of adolescent students are about to usher in the last semester of their high school life. While facing the most important exam in their lives, their favorite Chinese teacher bid farewell to them and went to the village to teach. This wonderful group of seven, who went through the hardships of exams but couldn't hold back the turmoil of adolescence, decided to embark on a journey to find Teacher Li as soon as the graduation ceremony was over. When the show began, some people said: Youth is a long journey, and the memories of the journey are the most beautiful treasures, all kinds of sentimentality, all kinds of beautiful memories, we will carefully collect them...