A funny student accidentally traveled back in time to his teacher's childhood life, and discovered that the usually aloof Teacher Mu was actually a gangster who only wanted to get angry after three days of fighting. He also helped him become a top student and enter Peking University. God! The two of them fell in love, and when their love was strong, the injustice of God made Chang Zhi'an travel back in time and have to face it as a student again.........! But what will happen to the two after the time travel and the chaos of memory? Will Chang Zhi'an also be admitted to Peking University to find him...?
Purpose: The transformative path of love