Cheng Xiaoxing is you, me, and every girl combined. She has complex emotions inside, always thinking about a lot, but ignoring a lot. She always thinks that she is hypocritical and that she is invincible, but in fact, she often exposes her truest emotions to the sun, leaving her vulnerable and vulnerable. Maybe you, like her, have a cheerful and infatuated boy like Shang Yang by your side, and a mysterious and arrogant boy like Bai Wenbo in your heart, but you have never seen through their minds. We missed each other again and again, and hurt each other again and again. When we all open up, how do you choose?