After her husband's death, Shen Qiulan lived with her in-laws, where she suffered bullying from her sister-in-law and covetousness from Zhao Youde. To survive, she entered the Pei Marshal's Mansion and accidentally had a relationship with Young Marshal Pei Shaojun. After getting pregnant and giving birth, she was framed and fled with her child, getting separated. Desperate to protect her child, she disguised herself as ugly and re-entered the Pei Mansion, enduring humiliation. Due to childhood trauma, Pei Shaojun could not be close to women, but he did not repulse her alone, gradually developing feelings for her. After experiencing crises such as blood testing, frame-ups at a birthday banquet, and kidnapping, the truth came to light that she was the child's biological mother. In the end, the villains were punished, and the family was reunited.