Master Mizuki has a good card in his hand, so he dares to find Princess Yun. Princess Izumo is not only the younger sister of Emperor Longqing, but also the younger sister of King Jing's half-father. Because Princess Izumo helped her brother target Emperor Longqing when she was young, Emperor Longqing did not give Princess Yun any benefits after becoming emperor. Princess Izumo married Lord Lordi Wei in order to help her own brother King Jing. After King Jing's death, Princess Izumo has always been worried about Emperor Longqing's killing of King Jing's family, but she didn't dare to say it. Although it shows that Princess Kamizumo and the two queen mothers of the little emperor have a good personal relationship, she actually resents the little emperor's family very much. When Master Mizuki tells Princess Izumo that he has a descendant of King Jing in his hands and can reclaim the country that belongs to King Jing, Princess Izumo agrees to help Master Mizuki almost without thinking. Princess Izumo first wanted to avenge her brother King Jing, the second was to vent her anger, and the third was because she couldn't see the little emperor and King Lu gradually growing up and having their own power.

Master Mizuki provides Princess Izumo with funds and clues to deal with the little emperor, and Princess Izumo privately contacts the royal family and starts a plan against the little emperor's family. Princess Izumo needs the assistance of a wealthy and powerful person like Master Mizuki, who has a certain amount of armed force but needs Princess Izumo to open up high-level joints. Therefore, both sides have their own goals, and they also need the cooperation and cooperation of the other party. The plan to poison the child to death was the result of the cooperation between Master Mizuki and Zhang Yue'e, Princess Izumo and others. Zhang Yue'e provided the source of the poison and was responsible for bringing the poison into the palace and poisoning it accurately as agreed. Princess Izumo provides the exact time and arranges for the child to be poisoned to be determined to come to Kunning Palace. Then spread rumors within the capital, instigating or luring Queen Wang and Princess Lu to make a move, and finally caused a head-on conflict between the little emperor and King Lu. It turned out that the original plan was to let Princess Izumo instigate King Lu to make trouble, and the little emperor and King Lu brothers killed each other. Later, Master Jianyue returned to Yong'an Temple as an abbot and accidentally discovered that Qin Tai and his wife were also in Yong'an Temple. Master Jianyue thinks that it is more powerful to let the famous folk case-solving master Qin Tai and his wife tell the truth of the case, and they can force the little emperor and King Lu to have a complete showdown. With the character of the little emperor, even if he doesn't know who the poisoner is, he really hopes to use this opportunity to depose the queen. They can use the idea of the little emperor to make everyone think that the little emperor is using this to frame the queen and the queen, and the little emperor is the real culprit behind the scenes. King Lu will think that the little emperor is doing this, first, to frame the queen, the second is to target himself, and the third is because he is jealous that he has so many sons, so he will spare no effort to target the little emperor. Once King Lu and the little emperor tore their faces, Empress Dowager Li, as the biological mother of the two children, was embarrassed to help either one. If the Empress Dowager Li doesn't intervene, the Empress Dowager Chen can't intervene, and the queen herself will be difficult to protect, so the little emperor will lose all his helpers, and it will be easier to deal with the little emperor.

In order to make King Lu feel at ease and fight the little emperor, Master Mizuki even suggested that Princess Izumo and others pretend to support King Lu and give King Lu a beautiful and fantastical future. For the throne, for the sake of interests, for the sake of power, and for the sake of avenging his son, King Lu will definitely fight to the end with the little emperor's elder brother. As long as there is an accident between King Lu and the little emperor, whether the little emperor kills King Lu or King Lu kills the little emperor, it is the best chance for everyone to get into trouble. When the time comes, unite with all the princes to target the one who survived, and force this person to step down or commit suicide. At that time, the princes wanted to be emperors, but they didn't expect that the most qualified person to be emperors would have been ready for a long time. Whether it is status or bloodline, they are the most qualified, plus the dead soldiers privately trained by Master Mizuki, whether it is nominally or in order to inherit the law or force, this throne must be in their pockets.

If King Lu and the Little Emperor didn't fight to the death, Master Jianyue had another way. The life experiences of the little emperor and King Lu can make a fuss, which can make everyone misunderstand that the little emperor and King Lu are not the sons of Emperor Longqing. In this way, the little emperor and King Lu are not qualified to be members of the royal family, let alone the emperor and the vassal king. As for how to frame the little emperor and King Lu's background, it had already been there when King Jing was alive. Emperor Longqing was not in good health, and it was difficult for a woman to conceive a child. So as early as when Emperor Jiajing Zhu Houcong was alive, King Jing did a lot of tricks and feet about the life experience of the little emperor. He slandered the little emperor's performance, and the son of King Yu at that time was not King Yu, so he was the son of Emperor Longqing. Emperor Longqing was so angry that he couldn't say anything at that time, but there was no strong evidence to refute King Jing. Now that Emperor Longqing is dead, Emperor Jiajing Zhu Houcong is also dead, and even Zhang Juzheng, who was slandered as the biological father of the little emperor, is also dead. Even if the little emperor wanted to prove that he was the biological son of Emperor Longqing, there was no way. Once the bloodline of the little emperor was suspected, the identity of the Empress Dowager Li would be embarrassing. If Empress Dowager Li is not qualified to be the empress dowager, even if King Lu is the biological son of Emperor Longqing, he will pass by the throne because of the mother of Empress Dowager Li. When the time comes, Master Mizuki wants Princess Izumo to spread this rumor among the imperial relatives, which is a fatal blow to the little emperor's family.

No matter what the results of Qin Tai's husband and wife's investigation are, they will not satisfy Empress Wang, Little Emperor and King Lu. At this time, Princess Izumo instigated King Lu to hold a clan meeting, nominally supporting King Lu as emperor, but in fact, she used this opportunity to pull the little emperor and King Lu off the horse together. At this time, after it was announced that King Jing had descendants, as the closest heir to the throne of Emperor Jiajing Zhu Houcong, King Jing's child was the new emperor. This country is Princess Izumo and Master Mizuki, so you can do whatever you want when the time comes.

As for the reason why Master Jianyue wanted to implicate Qin Tai and his wife, Zhang Yue'e and Princess Izumo also expressed their understanding and acceptability. Because of the reason why Master Jianyue's father, Yan Shifan, father and son, stepped down and was killed, Qin Tai and his wife played a big role. If it weren't for the fact that Qin Tai and his wife had inadvertently uncovered the secret correspondence between Yan Shifan and the Japanese Kou, the evidence that Yan Shifan collaborated with the enemy and betrayed the country would not have been made public. Yan Shifan would not have been killed by the imperial court, and Yan Song would not have to become a beggar when he was old, and finally starved to death on the way home. Besides, Master Jianyue is a descendant of the Wako, and many of his subordinates have died in the hands of Qin Tai and Zhan Xiaoxiao, especially Zhan Xiaoxiao is simply the nemesis of the Wako, and there are no less than hundreds of Wako who have died in Zhan Xiaoxiao's hands. He had long wanted to deal with Qin Tai and his wife with his own hands, and in the early years, Master Jianyue dreamed that he killed Qin Tai and his wife with his own hands almost every night to avenge his family and subordinates. Although it is impossible for Qin Tai and his wife to die at the hands of Master Jianyue, being able to plan to kill Qin Tai and his wife can be regarded as a kind of satisfaction for Master Jianyue.

Originally, Master Seeing the Moon thought that it was a seamless plan, but because Qin Tai and his wife saw some flaws, Master Seeing the Moon's plan failed. This was something that Master Jianyue couldn't understand and digest, and he couldn't figure out why Qin Tai and his wife doubted himself and Mrs. Hong. Zhang Yue'e's identity can't be found by ordinary people, can Qin Tai and his wife really think that they are the same person just because a portrait and Mrs. Hong have a mole on their eyebrows? And because of a mole on the eyebrows, it can be determined that Mrs. Hong and Mu Xiaoyue are biological mother and daughter?

Master Jianyue didn't ask, if he did, Qin Tai would definitely tell him the mystery of genetics. It is to rely on some clues in details, that is, to rely on some clues of genetics, you can really determine the direction of solving the case. Let something that is not in line or has no connection in the chain become an obvious clue. If Master Jianyue hadn't mentioned Zhang Yue'e wisely at the beginning, if there was no so-called desperate book of Zhang Yue'e, maybe Qin Tai and his wife would not have been able to find clues in their lives, and it would be impossible to link these things together, then the result would have changed dramatically.

If there is really any mystery, Qin Tai can only say that it is providence. Because Master Jianyue's people have done too many bad things, because they tortured an innocent Blue Yue'er to death, because they made Mu Qing's daughter innocently lose her life, because they wanted to do something to subvert the royal family, God couldn't stand it anymore, and sent Qin Tai here to target and restrain Master Jianyue.