Chapter 1

The red font on the letter of introduction in his hand looked so cheerful.

Unfortunately, at this moment, Liu Yijiu couldn't be happy at all.

As soon as he woke up, he found himself covered in injuries, drenched in blood, and in excruciating pain, making it impossible for him to stand up! Moreover, he was in a remote mountain valley deep in the mountains!

"Mechanical Institute No. 9: This letter introduces Comrade Liu Yijiu to your place to contribute to our country's national defense. Please receive him with gratitude!"

The reporting time was valid until September 3, 1976! The date at the bottom was actually August 3, 1976!

What followed was even more impressive, not only stamped with the seal of the Labor and Personnel Department of the Fifth Ministry of Machinery Industry, but also with the seals of the Labor and Personnel Departments of Capital University of Technology and Huqing University!

What kind of background did this guy have? A single letter of introduction had so many seals on it, which was extremely unusual in that era!

At this moment, he couldn't care about anything else. His head was dizzy, and he had no idea where this Mechanical Institute No. 9 was!

In this desolate mountainous area, he had been waiting for at least two to three hours with his injured body, even though his stomach was growling, not a single person had appeared!

As for where he was, he had no idea.

Bored, he kept staring at the letter of introduction.

In their era, this would definitely be a valuable antique, a cultural relic!

As a strategic-level military engineer from the late 21st century, Liu Yijiu was a bit confused about how he ended up in this era!

Wormhole theory, parallel dimensions, and alternate timelines were hot topics in their era, but no one had ever proven them.

He wasn't a researcher in that field but a top military designer in Huaguo, a triple Ph.D. in materials, machinery, and electronics, and one of the best subjects in the first batch of genetic modification experiments. His strategic value far exceeded that of ten megaton nuclear weapons!

Unfortunately, with his head full of military knowledge, he hadn't achieved much when he ended up in this unknown era, whether it was an alternate dimension, a parallel world, or even a historical timeline of their world.

No matter what, he had to find a way to survive. He was covered in injuries and couldn't even move. If no one found him, he would die from blood loss or in this place, not to mention the possibility of large predators in the mountains!

As for his name, he decided to keep it as it was.

At least it was better than his original name. His father had given him a sperm, and his mother had given him an egg. It didn't matter who they were. They were just a code, an experimental subject for an institution, without any identity in the outside world.

It was precisely because of this situation that he could so easily accept his current identity and quickly forget his original code.

"Drip... drip..." Just as Liu Yijiu was pondering how to change his current situation while unable to move, a car horn sounded from not far above him.

"An accident happened below, go check it out!" Just as Liu Yijiu was about to call for help, the sound of the car gradually faded away. When he was about to give up, a rough voice came from nearby. A few figures appeared in the bushes in front of him a few minutes later.

"Director, there's an injured person here..." Liu Yijiu's condition was not good, likely due to excessive blood loss, leaving him in a state of weakness.

"Comrade, what happened? Are there any other people in the car? Why did this happen here?" A middle-aged man over 1.8 meters tall, wearing a gray four-pocket cadre uniform, with a large backhead hairstyle, asked Liu Yijiu, who was still bleeding from his leg. Seeing Liu Yijiu's dazed expression and lack of response, he turned to a small man in green military uniform, whose face was not much lighter than an African's, and said, "Heizi, check further down for any other injured people."

Liu Yijiu looked at the middle-aged man, weakly raised his hand, but didn't have the strength to hand over the letter of introduction.

The middle-aged man bent down, took the letter, and quickly showed a shocked expression.

"Are you Liu Yijiu, Old Liu's son?"

Liu Yijiu nodded, not knowing the background of this body, so he didn't say anything.

"Comrade Xiao Liu, where are you injured? We'll get you up right away. Hang in there, everything will be fine soon." The middle-aged cadre's attitude changed immediately upon receiving a positive response, showing a bit of concern and a bit of flattery.

Just as Liu Yijiu was considering how to respond, he felt a wave of drowsiness. He knew he shouldn't sleep, but he couldn't resist, and eventually closed his heavy eyelids...

"Doctor Zhao, Liu Yijiu has woken up." A young nurse, who had been dozing off, suddenly woke up and looked at the patient on the bed, noticing his eyelids moving. She immediately ran out, shouting.

"You're awake? Xiao Liu, you're lucky. When you left, we told you not to come back to the base. Your father had an incident, and many uncles and aunts worked hard to get you out. Why did you come back here? Are you crazy? Why didn't you go back to your mother? You shouldn't waste your life in this remote mountain valley." When Liu Yijiu finally adjusted to the light, a woman in her forties, with a large black mole on her left eyebrow, scolded him, though he was still confused.

"Zhao Min, be quiet. Though the situation has improved, who knows if it will change! We volunteered to work for the national defense industry! Have you forgotten your father's wishes? Have you forgotten our initial vows? We must dedicate our lives to the country's national defense security!" The woman had just finished speaking when a thin middle-aged man, also wearing a four-pocket cadre uniform and a black-rimmed glasses that covered half his face, walked in, clearly dissatisfied with Zhao Min's complaints.

Liu Yijiu gathered a lot of information from their brief conversation.

No wonder the middle-aged cadre reacted so strongly when he learned his name. This identity must have a significant background.

"Xiao Liu, you've studied for a long time. You must carry on your father's will! He gave up everything to return to the country with your mother and devoted himself to the country's third-line construction. He never wavered in his dedication to the country. As a national defense science and technology worker, I hope you can continue his unfinished work! Besides, now is a great time for us to make a difference!" After observing Liu Yijiu's condition, the thin middle-aged man gave him some encouraging words and left.

From the corner of the man's eye, Liu Yijiu noticed a tear. It seemed this man had a deep bond with his father.

Zhao Min sighed heavily, examined Liu Yijiu, and without saying anything, instructed the young nurse with a big braid to take good care of him before leaving. The nurse, curious about the patient, was about to ask why a newcomer would receive such attention from the usually cold Doctor Zhao Min, but Liu Yijiu fell into a deep sleep.

When he woke up again, it was due to the noise outside.

Seeing no one around the ward, Liu Yijiu struggled to get up. He sat up abruptly, but the dizziness made him fall back down. It took him a while to gather the strength to sit up.

He pulled out the needle from his hand, leaned on the green wooden table beside the bed to reduce the dizziness, and then followed the sound outside.

He was completely unfamiliar with this place.

Moreover, according to his knowledge of the history of the Republic, there had never been a Mechanical Institute No. 9. The Fifth Ministry of Machinery Industry had only a brief mention. After all, the experimental project he participated in was conducted in an abandoned base in the Daba Mountains.

"Wang Shunyi, stop blocking us. You've just resumed work, you should cherish it!" As Liu Yijiu reached the door, he saw two groups of people on a small flat area outside. Many of those facing away from him were older men, while the others were mostly young people.

A man in his forties, wearing a neat dark blue Zhongshan suit and a gray hat, was angrily pointing at the people in front of him.

"Director Su, why are you arresting Xiao Liu? His letter of introduction clearly states that he is not a spy! Is there a misunderstanding? He returned here to fulfill his father's wishes and contribute to the country's national defense!"

The voice was familiar. Liu Yijiu had an excellent memory and clearly remembered the thin middle-aged man who had revealed important information about his background when he woke up.

"Exactly, Su, don't slander people! When we built this base, you were probably playing in the mud somewhere!"

"Old Liu was harmed by people like you, and now you want to harm his son. You'll have to step over me today! I don't believe that after we sacrificed our families for the country, we will still be oppressed by scoundrels like you!"

The crowd facing Liu Yijiu was becoming increasingly agitated, and the situation could escalate from verbal to physical conflict!

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