After being brutally killed in her past life, Lady Zhang Xiyin is reborn and vows revenge on her husband, Marquis Zhou Yihong, and his concubine. She forms a strategic alliance with Prince Duan Jianli, but as they pursue their goals, an unexpected romance begins to bloom between them.

After her family is massacred, General’s daughter Xu Chuyun enters the capital to uncover the truth. Suspecting the wheelchair-bound Crown Prince Jiang Yunsheng, she marries into his household to investigate. As they work together, misunderstandings fade, and they join forces to solve mysteries and ultimately uncover the truth, united by their shared quest for justice.