Lin Qian is a girl who hides secrets in her heart. During the long years of growing up, she learned to hide her secrets and pretend to be a happy and ordinary person. After entering high school, Lin Qian met her classmate Luo Weiran, a tall and handsome student with a good family background but no goals. However, he seemed to have a secret of his own. During the three years of high school, the two of them each carried their own secrets. They influenced each other, redeemed each other, gained motivation from each other, gradually found their goals in life, and at the same time gained true love. After graduation, they originally agreed to go to Beijing together, but accidentally missed it. After a few more years, they truly let go of all their secrets and pain and came together.