It tells the story of how Shen Qingyu, a concubine, faced the oppression of her aunt, the jealousy of her sisters, and the power struggle within the family in a high-class mansion. She relied on her wisdom and forbearance to resolve the crisis step by step, and finally became the mistress of the Hou Mansion. Her love affair with Lu Chengyu, the prince of the Marquis of Dingyuan, was also full of intrigue and exploitation. The two gradually developed sincere feelings through mutual testing and running-in. Multiple story lines run in parallel, showing the fate and choices of different characters in the house fight, as well as the fragility and distortion of family and love in the face of power. The story focuses on the survival dilemma and resistance spirit of women in ancient society.