This night, Gu Yan didn't sleep steadily, she dreamed intermittently, and woke up several times during the period, and her head was still a little dizzy when she was woken up by Lu Xinning in the morning.

There are less than six hours left, everyone is inevitably nervous, after breakfast, Huang Yifu proposed to go in groups to find clues, Gu Yu, Lu Xinning, Chen Feiyue and Han Yifei in a group, Ye Shixin, Huang Yifu and Pei Yan in a group, set off to the east and west respectively.

Seeing that the zombies had not yet appeared, Gu Yu first went back to the laboratory where Niuniu disappeared, and searched meticulously and carefully, not even letting go of the cracks in the floor tiles.

Seeing that she was almost lying on the floor, Lu Xinning couldn't laugh or cry, "You're trying too hard, what clues can there be on the floor..."

However, before she finished speaking, Gu Yu whispered in surprise, pointed to a floor tile in front of her and said, "This is empty!"

Lu Xinning's voice was blocked in her throat, and as soon as she turned her head, she waved her fist at him with Han Yifei's playful gaze, and came to Gu Yan's side, seeing that she was trying to pick up the floor tile, she asked curiously, "Is there another secret passage down there?"

Gu Yu shook her head, "The hollow part is very small, it should be hiding something, maybe there will be a key clue in it that we are missing." ”

The floor tiles were very slippery and very tightly connected, and she could barely make it warp up a little after pulling it for a long time, and she couldn't even insert a pen, and finally Han Yifei found a toilet bowl from the bathroom outside to slowly suck up the floor tiles.

As expected, there was a mysterious box hidden under the floor tiles, but it was a combination of four numbers with a combination lock.

The four of them searched the laboratory for a while, but did not find any clues that could correspond to the combination lock, and finally had to shift their positions to the unexplored area.

On the way, they encountered several waves of zombies, which also made Gu Yan understand what kind of ability the slugs that Han Yifei touched represented - mucus.

When he uses the "Slime" function, the ceiling of the research institute will automatically open, randomly dropping some viscous liquid, which will affect the speed at which zombies can move, and even trap them in place completely. Although this skill has a chance to "injure" one's own people, it is indeed effective, and the four of them almost all the way to a place called the "Data Analysis Room".

This data analysis room is a bit like a small office area, with dozens of computers and cabinets full of books and materials.

The others were aimlessly looking for clues, and Lu Xinning went to open those computers one by one, thinking of using dead methods to solve the problem of life, but in the end, she really found a computer that could be successfully turned on.

There is a packet on the computer desktop that contains a list of volunteers and personal details who have been tricked in, but strangely, these lists only record the third group of volunteers, who came on April 15, 2032.

"No, haven't there been any other volunteers here in the past ten years?" Han Yifei muttered confusedly.

Ye Shixin guessed: "Could it be that the fourth batch of volunteers has all been successfully converted into zombies, so there is no record?"

"Makes sense, but I always find something weird......"

Gu Yu turned her head and Lu Xinning glanced at each other, the two exchanged tacit glances, and walked to the back row of bookshelves together.

After the "baptism" of the first two issues, Lu Xinning has now become refined, and knows that no one can be trusted in this game except herself, so she didn't make a noise after finding the photo, but secretly handed it over to Gu Fei, the only one she fully trusted, in the middle of the night, hoping that she could find out the answer.

Lu Xinning paid attention to the movements of the others and asked Gu Yu in a low voice: "Youyou, did you guess anything?"

"Hmm. Gu Yu turned her back to her and pretended to be flipping through the information, her lips moved slightly, "The date written after the photo you gave me yesterday is 2032, and only the third batch of volunteers was recorded in the computer file just now, so I guess we should all have crossed over." ”

In fact, she thought this because there was another very important piece of evidence: when the four of them climbed into the laboratory through the secret passage yesterday, she had already carefully examined it, and she was sure that there were absolutely no hollow floor tiles there. But after she came out of the time container alone, not only were the things in the laboratory moved, but there was also a place to hide them.

All this shows that the laboratory she went to was not actually one, but two laboratories that were deliberately arranged exactly the same.

In the background of this story, it can be explained that it is indeed a laboratory, but the time and space in which it is located are different, one ten years ago, one ten years later,

And based on all the information they know now, Gu Yu concluded that they all traveled to 2032.

After listening to her analysis, Lu Xinning couldn't help but gasp, and asked in an angry voice: "Then why is it only Teacher Pei who doesn't appear in the photo, why do we have that group photo?"

Gu Yu shook her head, "I don't know about this yet, but I have a hunch that it should be related to the contents of that box." ”

The two of them were whispering here, but Chen Feiyue over there suddenly looked over here and asked in a deep voice, "What time is your birthday?"

Lu Xinning was coldly frightened by him, and said with some weakness: "1. January 30th, what's wrong?"

Chen Feiyue looked at Gu Feiyue, "What about yours?"

"June 1st. Gu Yu was a little puzzled, "What's wrong?"

"A four-digit password without a clue would normally be a birthday. Chen Feiyue replied succinctly, lowered his head and flicked the combination lock, and then shook his head in disappointment, "No, do you remember other people's?"

Gu Yu subconsciously replied: "Teacher Pei is January 1st. ”

Lu Xinning's face changed imperceptibly, and she deliberately asked, "Youfei, why do you remember it so clearly?"

Gu Yu coughed lightly, "Cough... We're friends, isn't it normal for friends to remember birthdays between friends? I remember everyone else, you are January 30th, and Xiao Han is December 14th..."

Lu Xinning's eyes were very sharp, how could she not see her embarrassment and embarrassment, glanced at her funny, stopped teasing her, turned her head and asked Chen Feiyue, "Teacher Chen, can you open it?"

Chen Feiyue dialed the number to "0101", held the lock and pulled it out to both sides.

With a "click", the lock opened.

Everyone was overjoyed, and quickly gathered around, excitedly watching him lift the lid of the box.

However, in the next second, there was a sudden "drip" sound in the research institute, and then the lights went out, and the surroundings instantly became pitch black.