Yun Qian is the last descendant of the Yun family, a gangster thief who hides his name in order to clear his family's grievances; the barbarian king Li Beihan guards the northern border, but he appears cruel but is actually poisoned by others and is suppressed; Yun Qian is pushed onto the top of a sedan chair by his clan members Marrying a barbarian king for his concubine, he was assassinated on the first night he entered the palace, and secretly resorted to stealing skills to save himself; Li Beihan noticed that the bride's body skills were different, and set up a test, and the two were suspicious of each other amidst the light and shadow of swords; Yun Qian sneaked into the palace In the secret room, a token left by his father was found, confirming that Li Beihan was related to the family's extermination; Li Beihan recognized the Yun family's crescent lock on Yun Qian's waist, and deliberately allowed her to act, but was actually tracking down the traitor behind the scenes; Yun Qian broke into the Barbarian King's armory at night to save his hostage, but broke the deal between Li Beihan and the imperial emissary; the two went from confrontation to joining forces, and jointly dealt with the powerful ministers who secretly controlled the Barbarian royal court; Yun Qian used theft Shu sneaked into the mansion of a powerful minister and stole the key ingredients for the antidote, but triggered a series of hunts; Li Beihan publicly disobeyed to protect Yun Qian, which resulted in his own poisoning and faced the danger of being deposed; Yun Qian ventured back to the ruins of the old city to find the detoxification map left by his father, and discovered that the truth about the family's downfall was related to the barbarian national gem; the two were forced to separate and fight. Yun Qian escaped by feigning death in the enemy camp, and Li Beihan pretended to betray him. To gain the trust of the powerful minister; in the final stage, the two cooperated internally and externally, Yun Qian used his thief skills to steal the tiger talisman of the powerful minister, and Li Beihan regained the military power, and jointly uncovered a larger conspiracy in the court; the whole book focuses on Yun Qian and Li Beihan joining forces to pacify the northern border and trace the late emperor's edict.
