(Pure ancient sayings + Broken mirrors never reunite + Second male lead) My sister-in-law married into the Zhenbei Hou Mansion, but died unexpectedly a few months later. Evil mother-in-law? Indifferent husband? Or the snobbish mother's family? In order to seek the truth for the sake of marrying a concubine, he worked step by step, and finally revealed the truth about love and use. The husband wants to get back together, and the second male partner is gentle and gentle. How should the female protagonist choose?