Qiu Tian didn't know what kind of car this was, and there was no trace of light in the car.

As the car bumped, the three elementary school students were like sandbags, shaking with the carriage, making people dizzy and sore. The wrists were tied behind their backs and they couldn't sit up. The tape was placed on their mouths and couldn't breathe. They felt very uncomfortable. She only heard that it was raining outside, and when she thought of her sister, she wanted to cry.

I don’t know if Grandma Wang or sister came to pick them up today. Now everyone must have found that they are gone. Thinking about it this way, I feel less panicked.

Oh, I regret it very much.

Qiu Tian sighed inwardly. She didn't realize that the group of people were bad guys. She just saw them picking up Lu Fang and ran away. She was curious and caught up with two steps. Unexpectedly, Lu Fang, the big fool, shouted righteously: "Don't worry about me, you two! Go back and call the police!"

Then, they could no longer escape.

The bad guy didn't notice them at first and was about to get on the car. He immediately turned back when he heard the sound, caught her and the little fat man accurately, tied her up like a sack and threw it into the car.

My sister is right, curiosity kills the cat, and it is dangerous to be brave. If she is given another chance, she will definitely not follow her and will pull Wang Chuanchen as far as she can.

The big bad guys in front were talking, Qiu Tian pricked up her ears, but she still couldn't understand the southern dialect like their passwords. She only vaguely knew that the group of people were discussing how to deal with her and Wang Chuanchen. Her small body was not worth much money after she sold it. Why were these people so unhappy and wanted to catch her? Qiulai didn't know how worried she would be.

While the people ahead were not paying attention, she kicked Wang Chuanchen hard, intending to negotiate with him about the way to escape. Unexpectedly, the idiot was still motionless, and she was so angry that she turned over and turned to face to face with Lu Fang.

On the dark night, I was facing the sky and putting a pair of bright eyes.

Qiu Tian: No matter what you look at, you are all involved, stupid pig!

She had tape on her mouth and couldn't speak, so she could only condemn her with um and eyes.

After all, Lu Fang was not Wang Chuanchen, so he didn't want to understand her central idea. He silently replied to her with a guilty look on his face: I'm fine, Qiu Tian, ​​don't worry about me.

Qiu Tianji talked to the duck, rolled her eyes and gave up the communication, and lay down to the point of thinking about how to remove the dog skin plaster on her mouth. She was almost suffocated.

I don’t know how long it took to shake, but Qiu Tian was about to fall apart, the car finally stopped.

The rear carriage drove, but Qiu Tian found that the outside was as dark as the inside, and the headlights shone out in the misty rain and fog. The three of them were thrown into a dusty warehouse like sandbags.

This time, Wang Chuanchen finally woke up. He was covered in soft flesh. His body was so painful that he threw it on the ground.

The reason he slept all the way in the car was not because he was too heartbroken, but when he was tied up, he was the heaviest among the three people, struggled the most, and almost ran away. The kidnapper was so angry that he was about to give Lu Fang a sedative immediately pierced his arm, and the injection was silent for several hours.

The tape on his mouth was temporarily torn off for a while, and the shortest villain unscrewed a bottle of water and took turns to drink it for them.

The little fat man raised his head to drink water. While drinking, his stomach rumbling, "Hungry..."

His scar has healed and forgot to hurt. His eyes were hungry for the criminal who gave him a shot a few hours ago.

Shut up! Idiot!

Qiu Tian rolled her eyes violently and shook her eyes hard. She was in the car just now when she heard Lu Fang call her family for money. They were originally the money-lossing goods, especially her. Qiulai was so poor that she would definitely not be able to get the ransom. If there was more trouble, they might just chop them up to make dumpling stuffing.

Wang Chuanchen received her radio waves and shut up embarrassedly.

"Do you still run? Can't you still shout? Didn't you jump very hard today?" The gangster kicked him proudly and asked him in a weird accent.

"I won't shout anymore, I dare not." The little fat man swallowed his anger at Qiu Tian's gesture, but at the end he couldn't help but speak freely: "One of the two hot dogs I bought when I was after school today fell into the car. If I could eat them for me, I would be even more obedient. Uncle, I'm really hungry."

The man was dumbfounded, as if he hadn't expected that there were really children in this world so stupid that they made him laugh. He greeted the outside loudly, and then someone came in with a few leftover lunch boxes, "Eat it, you'll be so full, little fat man."

Lu Fang stayed away from this cold oil that had been touched by someone and didn't know how dirty the takeaway was, shook his head and disdained, "Take it aside, even if I, Lu Fang, starved to death, I will never eat this kind of thing."

He was beaten to death before he finished speaking, "Okay, then you're hungry and see how hard you are."

Seeing that Lu Fang lost his arrogance, he frowned and curled up with his belly, the man suddenly felt refreshed. When he went to see the boneless little fat man, he suddenly felt that he was really obedient and pleasing to the eyes.

After eating, the man put the torn tape on again. After a set of doors, the sound became far away and the dark warehouse became silent again.

Qiu Tian licked her tongue for no reason. The tape she used once was a little loose. She rubbed her chin on her knees and then, and finally rubbed it off the whole piece, took a good breath, "I'm suffocating."

Seeing this, the little fat man quickly umbrella. Qiu Tian moved his back to his side bit by bit, touched his round chin with his tied hands, and tore off his tape.

Lu Fang also learned from him, and Qiu Tian made it the same way.

The three children's mouths were liberated and they were finally able to turn on the chat mode.

"It's all your fault! If it weren't for you, Qiu Tian and I, wouldn't have been caught in this ghost place!" The little fat man and Lu Fang's enemies met, and they were extremely jealous.

"Do you have some ambitions and eat their leftover soup?"

"What does it have to do with me if I eat mine!"

"Fatty!"

"Flower peacock!"

...

Qiu Tian regretted tearing off their tape and sighed sadly, "I want Qiu to come so much."

The warehouse was filled with no fingers, and it was still chilly. This sentence also evoked the little fat man's sorrow, "I also wondered my grandma, Qiutian, would they sell us to the mountains to do hard work, and ask us to go up the mountain to chop firewood and farm, etc. all day long."

"I don't know, I'm so smart and I want to go to school and make money to spend for my sister."

"Not afraid, my father will pay the ransom, and he will rescue us together." Lu Fang comforted her.

It would be great if that could be done, but Qiu Tian always feels that things are not that simple.

She snorted and closed her eyes to retort, "It is my sister who wants to save her. My sister is so smart. She will definitely find us earlier than the police."

Silence flows quietly in the huge space of the warehouse, and the world seems to have nothing else except a few cicadas and the sound of rain falling on colored steel tiles.

The three children got closer and closer, leaning together to keep warm, each missing his relatives, but neither crying.

=

"Mr. Lu, we are also in the martial arts world. We just want money and don't want your son's life. The day after tomorrow at 6:30, prepare 50 million yuan to not connect to the cash and wait for my phone call."

...

"It's too late? It's okay, delay a finger a day, I'll ask someone to deliver it to your door."

"If you call the police, I'm sorry, buy a coffin to hold your son's body."

...

Qiu Lai clicked on the recording of this call from the kidnappers for the thirty-seventh time. The group of people was very ruthless and could feel that they were a group of murderers who had been licking blood on the edge of the knife all year round.

She had no other way, she could only listen over and over again, as if she could get some clues.

The sound of using the vocalizer sounded a bit weird. Although Lu Fang's father tried his best to delay, the negotiations ended in less than five minutes. The police did not even have time to transfer people to locate the anonymous phone number.

This time, Lu Li listened and took off his headphones, and suddenly looked up, "Pause for a moment, drag the audio back to 3 minutes, 5 seconds to 4 minutes, 20 seconds to listen again."

Xu Qiulai came back and listened to it twice, but felt a faint noise. She jumped up and looked at Lu Li. Both sides saw clearly what the other person's eyes meant.

Lu Li's headphones are extremely expensive, and the sound effect is very restored when it reaches the ear. Slightly adjust the audio reduced by the voice changer back to normal level, and use audio recognition technology to peel it off separately. You can hear the sound of rain, one or two speakers and people's breathing, and the slight sound of the engine idle at neutral idling. The sound is very low. This recording was broadcast when the car stopped.

She tried to separate the left vocal noise mentioned by Lu Li in this section and made a spectral diagram. There are many sounds in this world, and when the human ear listens to them, they will feel that each sound is similar, but as long as it is converted into a graph, the difference between each sound can be clearly seen.

After a simple process of the sound spectrum, the sound sounds clearer, like a melody, but it is still not very clear.

"I'll do it." Lu left his mouth.

Xu Qiulai bit his lip and stood up and let the seat open. For the first time, she felt so strongly that she hated herself for not being smart enough and not being powerful enough, and she could not find the clues immediately.

Lu Li's finger tapped on the keyboard a few times and restored the initial state of the spectral chart. He used a new spectral audio recognition algorithm to extract features, propose a hierarchical comparison diagram of the main picture, and sparse its features, and the audio was indeed more clearly identified.

It sounds like a popular pop song that has been popular recently.

After Xu Qiulai identified it, the little hope that had just risen was extinguished again. What does this mean? It can only prove that there are people playing this song nearby. There are more people listening to this song on the streets and alleys.

But Lu Li did not give up. After more than ten minutes, he even stripped out a set of signal sounds in the second half of his singing.

"What signal is this?" Xu Qiulai was shocked.

"I don't know yet, let's talk about it after sorting it out." Lu Li entered the signal spectrum diagram into a program he had written before for processing, outputting its binary representation, and obtaining a string of data.

After guessing for a while, he turned around, "It may be a signal from a radio station, listen to it..."

Xu Qiulai hesitated to take the headset and put it on his ears. He heard only the sound of "...opening... the square..."

She was shocked and immediately understood what Lu Li meant. She immediately carried her computer back to her seat: "There are several squares in this city opening today, and you can definitely find it!"

Xu Qiulai quickly got the answer. Only one square in the city opened today. It was the second time that the developer had just changed to a new developer after the developer went bankrupt last year, and Lianfu Plaza in Dongchen outside the Fourth Ring Road.
Chapter completed!