What exactly is fate? Fate is that no matter how far apart we are, no matter how different our status is, we will meet and know each other and fall in love.
Yang Xi met her former senior Song Chuan again during her internship. After this rare reunion, can two equally outstanding people stay close together after going through all kinds of experiences? Under the pressure of reality, how do two teenagers grow into men and stick to the vows in their hearts:
"I will never let you down!"