Heart of Loyalty ยุทธจักรหัวใจน้ำแข็ง | Mo Yan is a quick-thinking, sharp-witted young thief, who wants to become the top robber. When a senior male associate is caught and imprisoned at a powerful court in Kaifeng, where Prince Ning Jin reigns. She then decides to sneak in the court to rescue. However, the Kaifeng court's guardians are a formidable force, and the most outstanding one, known as the "Royal Cat", Zhan Zhao. When Mo Yan comes to the court, he immediately sense her intelligence and recruit her to work as a constable in the defense forces. But the closer she gets to Zhan Zhao, the more she feels their relationship could deepen.