Half a year ago, two sisters of the Lu family drowned. After a search, only the second Miss of the Lu family (Lu Ning) was found. After being in a coma for half a year, she woke up but could not remember the past. It was only when the prince (Mu Yi) came to visit her that she found out that he was her future prince concubine. Her eldest brother (Lu Yichen) told her that the murderer of her biological sister was actually him... A series of mysteries were all revealed on the day of her wedding to Mu Yi. When she saw her biological sister (Lu Yun) standing in front of her, she actually revealed a shocking secret. Where should she go...