Huaihe County, located in the central part of the Spring Kingdom, is an experimental county town, trying to gather the technical knowledge of the mortal world to form a patent system.

The celebrities of the spring country were summoned here. Under the influence of such resources, the college was formed.

The tall plane trees, the low academy building, the green leaves, the white walls, and the natural fragrance are mixed with a faint fragrance of books.

There is a willow mansion in the center of Huaihe County. In the house, in the study, an elegant and wise man sat at the desk. He was reviewing the documents, so attentive that he didn't even notice the changes in everything around him. An hour later, his eyes were tired, he got up and stretched, and when he raised his eyes, he saw another person quietly appearing in the study.

The elegant sage blinked subconsciously. He was first startled, and then, a bright smile spread across his face. Joy drives away the tiredness just now.

"Si Dao, long time no see, how are you?"

The tone was concerned, and as he spoke, he had already left the desk and walked quickly to the front of the priest.

"Yuan Jin, you haven't changed at all?"

The last time the two saw each other was more than a year ago.

"Where has nothing changed? Time is like a knife, and with each passing year, I feel more and more obviously my body is weakened. Two years ago, I could stay up all night for days. Now, in a few hours, I'm tired. “

As he spoke, Liu Yuanjin sighed deliberately, as if he was really old.

"Who told you that you don't want to cultivate immortals. You're not bad, though. At least, the cause is progressing well. “

Today's Huaihe County has initially established a patent system, and its technology accumulation has been very considerable, and the basic process has finally set the tone.

"You get three things wrong. First, what has been accomplished so far is far from being a great cause; second, it is not my own business, let alone my great work; and third, things are not going well. Most unique technologies are never available. In many areas, the pie is not big, and the disclosure of technology does not generate more benefits. Things were much more difficult than expected. “

"Everything is difficult at the beginning, and the foundation is not solid after all. Before the ocean of science, we were just children picking up shells. However, one day, when technology is advanced enough and the world is open enough, at that time, the discovery of technology is in a race against time. An axiom can be discovered by one person, and nature can be discovered by another. When a person discovers a technology, he must report it in time, lest he be one second late and be the first to be patented by others. “

"You're right. However, you really don't know how many thousand years it will take to make it happen. I wonder what it will be like then?"

"The development of technology is explosive. As long as the key nodes are broken, science and technology will definitely develop rapidly. Perhaps, by the time you get old, what I've said will have been basically fulfilled. “

"The development of technology is explosive...... That's a funny statement. Liu Yuanjin thought for a pause, and then continued, "Let's talk about you, if I'm not mistaken, it seems that you have been wanted by Chunguo." Did you venture to the Spring Country to come to see me?"

A year ago, Si Dao killed Jiang Yichen, and this incident was reported by the whole country. Liu Yuanjin naturally knew. Although he knew about it, he didn't ask half a question.

"Can't I look at you on purpose? And you don't have anything to ask me?"

"Yes, of course, you come, I welcome you at any time. Then I'm not polite to ask one or two?"

"I know everything. “

"Did you really kill Jiang Yichen? not because of illusion, not because of confusion?"

"Yes. “

Liu Yuanjin received an affirmative answer, frowned, and paused for two seconds: "Jiang Yichen is really a person from the Black Moon?"

"Yes. How do you guess?"

A year ago, he played a song with a strange tangled. At the time, I just thought he was bothered by love. Now it seems that he must have been bothered by other things. His heart should be entangled, but at that time, we didn't care. “

"It's that simple?"

"The more important reason is that I believe in you. The last time you separated, you mentioned that you were going to investigate the Spring Rain Tower and the Black Moon. Soon after, the story of your betrayal of Hehuan spread throughout the Spring Kingdom. Since, I believe that you are not the Black Moon, then, your opposite is naturally the Black Moon. If you kill Jiang Yichen, then Jiang Yichen is your opposite, so Jiang Yichen is naturally a person from Black Moon. Liu Yuanjin replied bluntly.

"When did you have the potential to be a detective, and how can you be sure that I'm not from the Black Moon?"

"I've always been good at people. Haha~ Plus, I'm smart, naturally, I can speculate a lot of things. “

If outsiders are here, they will definitely find that Liu Yuanjin is very different from his usual serious appearance. As he spoke, he couldn't help but laugh out loud.

Si Dao was also amused: "Then can you speculate why I came to Spring Country?"

"Since I have assumed that you are not from the Black Moon. Then you must be here to investigate the Black Moon. And the reason why you took the risk to come to the Spring Country to investigate is very simple, because the Spring Country has a clue about the Black Moon. “

"That's right. So, do you know what the clue is?"

Liu Yuanjin touched his chin and fell into thought: "A year ago, you investigated the Black Moon and finally ended up as a traitor to the sect. Obviously, the Black Moon is much more powerful than expected. Such a powerful character will definitely leave no clues. “

"That's right. A year ago, I finally caught a tail, but I didn't expect that instead of bringing Heiyue to justice, I became a traitor to Hehuan that everyone spurned. Now, I know that the Black Moon is much more powerful than I imagined, far from being able to compete with it. Si Dao agreed.

"However, the clues have always been there. “

"How?"

"Quite simply, it's a well-known clue. Black Moon wants to kill the Holy Maiden of Hehuan, isn't it? According to the assumption just now, you are not a person from Black Moon, so Jiang Yichen is a person from Black Moon. Jiang Yichen is at the helm of the Hehuan Sect. He cares more than anyone about the rise and fall of the Hehuan Sect. Moreover, he is definitely not a narrow-minded villain. But why, Jiang Yichen wants to harm the saintess? Isn't this a great contradiction?"

Liu Yuanjin is just a mortal, and although he is friendly with Si Dao, he is not deeply involved in the Black Moon Incident. However, he was able to analyze everything so easily.

This shows that the assassination of the Holy Maiden of Hehuan is definitely not an intrigue between the forces of the Xianmen. There must be some kind of secret hidden in the Holy Maiden of Hehuan, revealing the secret of the Black Moon's behavior, the secret of revealing the truth of the world. “

"It's a pity that it's ......," Liu Yuanjin said regretfully.

"What a pity?"

"I feel sorry for you. Under such a contradiction, no one would have thought, let alone believe, that Jiang Yichen was a person from Black Moon. Since Jiang Yichen is not a person from Black Moon, then in turn, you must be ......"

"You're right. Under such contradictions, if I am not a person of the Black Moon, if I am not a traitor to Hehuan, then what else can the answer be?"

"Then what are you going to do? Even if you see the Holy Maiden, even if you know the truth, even if you reveal the truth, I'm afraid no one will believe you. “

"That's another reason I'm looking for you. They don't believe me, but they believe you. “

"I—I'm just a mortal. Besides, Hehuan's predecessors know that I have a good relationship with you. How could they believe me?" Liu Yuanjin was puzzled.

"Yes, they won't believe you defending me. But if you report me, they will believe me. “

"Report you?"

"That's right, the Hehuan traitor even dared to return to the Spring Country. How can this not be hated? I am in the Taisheng Kingdom, out of the control of the Hehuan Sect, and I can still survive in secret. However, if I appear in the Spring Country, I must die for a lifetime. “

"You...... Hey......"

Liu Yuanjin seems to have known about Si Dao's plan. He tried to dissuade him, but finally turned into a long sigh. He knew that there was nothing he could do to change Si Dao's mind.

"Why sigh, we haven't seen each other for a long time, it's better to drink again. Every time we part, the next time we meet, I don't know when?" Si Dao suggested.

"Very good! Count the time, Lingzhi should call me to eat. You just happened to meet her. You didn't see her a year ago, did you?"

"Lingzhi, sister-in-law is called Lingzhi?" Si Daohu said suspiciously.

"Yes, her name is Han Lingzhi, she is a gentle and beautiful woman, and she treats me very well. One more thing, I forgot to tell you. In a few months, I will be a father. “

Liu Yuanjin subconsciously smiled, a particularly sweet and happy smile. Being able to be a father is the happiest thing in the world.

On the contrary, Si Dao was completely stunned. He muttered, "Han Lingzhi?"

The two of them were chatting when footsteps were heard outside.

The door to the study opened, and a familiar face came into Si Dao's eyes. Where did Si Dao think that Liu Yuanjin's wife turned out to be the person he had been looking for - the "Han Lingzhi" on the Ethereal Immortal Ship.

Han Lingzhi's temperament has changed a lot, which is consistent with what Liu Yuanjin said. Now she looks really virtuous and generous, beautiful and moving. She is an extremely beautiful woman, and she practices magic, and her temperament is far beyond that of ordinary women. She was holding her stomach up, apparently pregnant.

She greeted Si Dao as if she had never seen Si Dao before.

Si Dao nodded.

Liu Yuanjin hugged Han Lingzhi with concern: "Lingzhi, didn't you say that you don't have to call me in person." Yaoyao, you really don't know how to let your sister-in-law have a good rest. “

Han Lingzhi was not alone outside the door. Si Dao also met another acquaintance - Liu Yuanjin's sister, Liu Yaoyao.

Han Lingzhi is pregnant fever, of course, it is impossible to come alone. Liu Yaoyao helped Han Lingzhi.

Compared with more than ten years ago, Liu Yaoyao has changed even more. Her relationship with Liu Yuanjin seems to have been harmonious for a long time. She is no longer the rebellious girl she was more than ten years ago, she looks gentle as jade, less innocent, and more dignified. When she saw Si Dao, she was naturally surprised. Of course she knew Si Dao, and she knew that Si Dao was a terrible Hehuan traitor.

It's just that Liu Yaoyao didn't show her emotions. After a brief moment of surprise, she immediately smiled and greeted Si Dao just like Han Lingzhi.

Regarding Liu Yaoyao, Si Dao knows some things. She used to be a couple with Ye Mu. Now, although she is a wife, Ye Mu's feelings for her have never dissipated.

Si Dao hesitated for a moment before he smiled, pretending that nothing had happened, and smiling and showing goodwill.

Everything is so harmonious.