A man marrying into a family can spark misunderstandings—but what if he brings his entire past with him? When the Gu family declines, Gu Nianjun marries the son-in-law her father chooses, Li Yuancheng. Promises aside, Li's family gradually moves in, from his mother to ex-girlfriends. Watching her home and company slowly taken over, Gu Nianjun decides to fight back, igniting a battle of love and power in a "married before love" story.