Shen Qingwan, a concubine from the Hou family, lost her mother when she was young and struggled to survive under the oppression of her aunt. In order to revenge and protect herself, she began to learn the methods of house fighting, step by step and carefully planning. She dealt with various forces in the Hou Mansion, fought openly and secretly with her aunt and cousin, and had complicated emotional entanglements with Gu Jingchen, the eldest son of the Hou Mansion. As the story develops, Shen Qingwan gradually discovers the secret of her life experience, as well as the larger conspiracy hidden behind the Hou Mansion. In order to survive, love and power, she must continue to grow, use her wisdom and strategy, and finally uncover the truth and control her own destiny.