Back to the '80s, AgainEpisode 4

In their past lives, Lu Zhaoyan married poor scholar Kuang Yue and became a wealthy matriarch. Her sister Lu Qinning wed officer Ling Yue, only to go mad after his sudden death. After a mutual murder, both sisters rebirth, but when Lu Qinning steals Kuang Yue this time, she doesn't realize Lu Zhaoyan also remembers everything and is still destined to outshine her...