According to qq Reading Network, Chu is Gu's fiancee and double ex-wife, but Gu always thinks that Chu is a gold digger and has no feelings for Chu.

On the day before the wedding, Chu was victimized by Gu's enemy and gave birth to Gu Siran. Because Gu thinks Gu Siran is the illegitimate child of Chu, he doesn't like Gu Siran. When Gu Siran was unconscious because he was seriously injured by a car, Gu Tingyun learned that Gu Siran was his own son.