The elder sister of the twins died without any cause after marring into a rich family. In order to find out the truth for her sisters death, Lan Yi disguised as her deceased sister and went back to the Ye family. Then she found that her weak sister had been under bully all the time. As a result, the strong and manipulative Lan Yi began to turn the ride: she handled the cutting mother-in-law; disciplined the unruly brothers-in-law; defeated those alluring and cunning mistresses; conquered the indifferent and adulterous husband; and became the pillar of the familys company. These made everyone in this family regard her with special respect From her sister Lan Yus diary, Lan Yi found her sisters lover, the mysterious X. From the content of the diary, X might have something to do with her sisters death, and possibly someone from the Ye family.
