In the fourth year of the Ming Dynasty, during the Jianwen period, Zhu Di led an army to capture the imperial capital of Emperor Ying Tian. The Royal Inspector Jing Qing and his wife were killed, while their eldest daughter Ruo Wei was rescued by General Sun Yu, and their youngest daughter Man Yin was saved by Prince Zhu Gaozhi. These siblings, sharing the same blood, grew up apart—one in the palace and the other in the martial arts world. Ten years later, Ruo Wei encounters Prince Zhu Zhanji, and the two young people develop a complex relationship of both friendship and enmity, intertwined by fate. Ruo Wei helps her husband Zhu Zhanji ascend to the throne and vows to protect the kingdom after his death. She faces various challenges, including the defense of Beijing, earning the trust of Yu Qian and ultimately saving the Ming Dynasty from peril...