The first time, the female protagonist accompanied her sister to marry into the warlord's mansion, devotedly helping her sister secure favor, only to realize she was merely a tool for her sister to bear children, ending up with the tragic fate of "keeping the child and eliminating the mother." Entering the warlord's mansion with her sister once again, she vows to take control of her own destiny. Step by step, she wins the sincere heart of the young marshal, joining hands with Xie Chengdong to jointly defend the country and its mountains, and ultimately living a life of deep mutual affection.