Destiny is to walk through the crowd and see you at first sight. From Xia Bei's chance encounter with Su Xiangxi, we know that all the routes of destiny converge into one point at this moment. Xia Nan and Lu Ze, he and Su Xiangxi were all intertwined like unclear threads. Some people parted the fog and saw the light of day, some walked alone in the darkness, some disappeared, and some stayed forever.