Fifty-Year-Old Sister is Beautiful and Cool

Zhou Pandi and her twin sister Zhou Zhaodi grew up in a family that favored boys over girls. In a fire, their father Zhou Fugui chose not to save them to have a chance for a son. The sisters barely escaped death but were separated. Years later, Pandi was adopted by a wealthy family, became CEO Zhao Ruoqi, and has been searching for her sister. Meanwhile, Zhaodi struggles to care for her paralyzed mother and deal with her gambling father. One day, Zhaodi discovers the nanny Wang Guilan abusing her mother and having an affair with her father. Fearing exposure, the father and nanny plot to burn Zhaodi and her mother to death. When Zhao Ruoqi finally finds her sister, she's dying in a hospital bed and their mother is dead. Filled with rage, Zhao Ruoqi plans revenge. She disguises herself as her sister at the father and nanny's engagement party, turning it into a funeral. Then she tricks them into her house, uses her wealth and wit to make the nanny lose all her money, breaks up their relationship, and ensures all the villains face justice.