Yin Chao is a born romantic, Qiao Yinian is his destined nemesis, and Yin Mu is his natural enemy. And he, Cheng Xi, was nothing, just a passerby in his life whose face he couldn't even see clearly.
It's just that Cheng Xi didn't expect that he, a passerby, would one day become a returnee in Yin Chao's life.