Xing Ji and Xuan Zhen are good brothers who grew up together in an orphanage. Just the day before the two of them were going to go back to the orphanage to visit the director, Xuan Zhen disappeared! Friends, family, colleagues, and even the dean didn't remember that Xuan Zhen existed. To be precise, he didn't disappear, but that this person disappeared from the world! Don't worry, good brother, even if the whole world forgets you, I will never forget you! You will definitely find yours!