Half a year into her marriage, Liu Si unexpectedly discovered that her father-in-law, mother-in-law, and sister-in-law all had keys to the marital home, while she, the female homeowner who co-funded the purchase, did not. She endured it silently and secretly built up her strength. On the day of her husband Meng Zihang's crucial civil service exam interview, Meng Zihang forgot his admission ticket, and Liu Si could not enter the home to retrieve the item because she lacked a key, causing Meng Zihang to completely miss his opportunity. Upon learning the truth, Liu Si decisively proposed a divorce, breaking free from the unfortunate marriage.