During the Tianwu era, the Dragon Kingdom is in decline, and Japan eyes it hungrily. Chen Yunyan, the granddaughter of the Huo family, possesses extraordinary talent. She secretly learns martial arts against the family rules. When her actions are discovered, her grandfather plans to punish her by disabling her limbs, but she is interrupted by a provocative adopted son of the Huo family. Chen Yunyan fights back and defeats him. Soon after, the Japanese force the Huo family to collaborate with them, but Chen Yunyan uses her wit and bravery to repel them. The young marshal of Qingzhou asks her to find the missing Martial Sage who could help defend against Japan. During her journey, she is pursued by Japanese masters, but the Martial Sage appears and takes her as a disciple. As the Martial Sage is on the brink of death, he helps her become a true master. Chen Yunyan goes on to defeat the Japanese experts, ensuring the safety of the Dragon Kingdom and continuing to protect her homeland.
