Zhou Lan's parents divorced, and her mother remarried. Her stepfather, Zhou Zhenhai, also has a daughter named Zhou Yue. Zhou Yue becomes involved with Gu Zhizhou, the heir to the Gu Group. Their engagement is publicized extensively, but Zhou Lan is deliberately omitted from the invitations, and she is subjected to extreme humiliation. On the day of the engagement banquet, everyone is present except for Zhou Yue's mother-in-law. Zhou Yue humbles herself, begging and pleading until she finally gets her mother-in-law to arrive, only to discover to her astonishment that her mother-in-law is actually her stepsister…