This night, she slept very peacefully, and she had no dreams all night.

But although she is stable, the others are not so stable.

Jiang Boyun did not go home after sending him home, but drove back to school.

It celebrates Bai Shen's birthday and decorates the auditorium.

Because it was already past ten o'clock in the evening, let alone the auditorium, there were not many people in the school.

Jiang Boyun didn't come secretly this time, but walked through the back door and came in openly.

The door of the auditorium has been closed, because Bai Shen insists on apologizing to Wang Yanyan at the beginning, and he has already applied to the school to view the surveillance video.

It's just that it takes a little time to approve, but Jiang Boyun has already seen the surveillance video.

It was precisely because he had seen it that he wanted to come to check it out on the spot.

Because just looking at the monitoring route, it is true that the person who is most likely to do tricks and feet on the stairs is the first thought.

But—

Since his girlfriend said it wasn't her, it wasn't her.

It's also interesting to think about it this way, because someone wants to frame her and want to harm Wang Yanyan.

Although this method of killing two birds with one stone is not a novelty, it is a bit ups and downs at such an age.

Jiang Boyun raised his eyes slightly and looked at the white staircase.

This is a telescopic staircase, which has been placed on the side, and there are still some blood stains on it, which should be Wang Yanyan's.

Jiang Boyun stepped forward and carefully observed the staircase.

One of the stairs was indeed a little loose, and that column had fallen.

The wood chips are new, the paint is new, and it doesn't look like it's due to aging.

But the stairs on this floor are inexplicably corroded.

Jiang Boyun gently brushed his fingertips over the sawdust, put it next to his nose and smelled it, there was a smell of sulfuric acid.

Recall monitoring shows that although there are many people who are closer to this staircase, only four people stay here.

His girlfriend is one, Wang Yanyan, and Bai Shen and Bai Tian, two brothers and sisters.

Sulfuric acid is highly corrosive, and with some special agents, it can make people not see that there is a useful persulfuric acid.

Although Jiang Boyun is just guessing, under normal circumstances, such speculation can be regarded as 50% locked.

More than 50 percent, just confirm it.

Everyone is just a high school student, and their minds are still relatively immature, and if they want to do something that causes blame and kills two birds with one stone, they will definitely not be very mature.

It seems that this matter is still somewhat interesting.

-

At the same time, Bai Shen's home.

Wang Yanyan's family background is not very good, she has two younger brothers at home, and her parents are quite patriarchal.

For her, don't say it's favored, it's estimated that even passers-by are not as good as A.

So when Wang Yanyan was injured, her family would not take her to any hospital, at most, she would apply a red potion at home and continue to make cows and horses for her two younger brothers.

Wang Yanyan told Bai Shen that she didn't want to go home, so after returning from the hospital, Bai Shen took Wang Yanyan to her home.

"Brother, although my parents are both traveling, they will be back tomorrow morning." Bai Tian changed into a bunny pajamas, held a glass of milk in her hand, and sat on the sofa in the living room.

Wang Yanyan was still wearing a school uniform, with white bandages wrapped around her feet, and blood was oozing from them.

She is very afraid of Bai Tian, although she is Bai Shen's girlfriend, although this is Bai Shen's home.

But as long as Bai Tian was there, she didn't even dare to sit.

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