"Mr. Liu is right. The toilet is really locked." Lu Xinggui had guessed that Xiao Liu would ask this question, but he didn't find it so early. It seems that Xiao Liu hasn't completely panicked, "I borrowed the key of the stewardess surnamed Wang and opened it."

Since Lu Xingdao got on the bus, the stewardess surnamed Wang accosted him from time to time. Later, Lu Xingdao accompanied the stewardess to lock the toilet. Later, Zhang Keke said he wanted to see the accident place. Lu Xingdao sacrificed his hue to borrow the key from the stewardess.

Xiao Liu's panic at the moment has been clearly written on his face. His voice asked the landing orbit coldly, "what did you find in the toilet?"

Lu Xingdao still smiled faintly, "it's nothing. I just saw a palm print on the glass window. Just now I carefully observed Mr. Liu's palm and found that the palm print on the glass window is very similar to your palm. I don't know..."

"I didn't!" Xiao Liu hurriedly denied without waiting for Lu Xingdao's words, and subconsciously retracted his hand into his sleeve, "you're wrong. That palm print has nothing to do with me."

Lu Xingdao put away his smile, and his tone was still slow, "isn't it? It's just a palm print. Don't Mr. Liu have to be so nervous? Is there anything behind the palm print that can't see the light? "

Lu Xingdao's words were slow, but it was like hammers hitting Xiao Liu one after another. His slightly fat face had been covered up by panic at the moment.

"Mr. Lu, don't talk nonsense. There's nothing shady!" Xiao Liu denied, but his voice was so weak.

Lu Xingdao didn't hurry to answer Xiao Liu's words, but looked around. Finally, his eyes stayed on a small white medicine bottle at the corner of the table. The label on the medicine bottle was clearly seen by Lu Xingdao. It was a tranquilizer.

"Mr. Liu, it's getting late. In order not to delay Mr. Liu's rest, let's make a long story short." Lu Xingdao looked serious and asked, "you left the palm print in the toilet, right? After the stewardess locked the toilet, you went in privately, didn't you? "

Xiao Liu glanced at the orbit of Lu Xingtao, dropped his eyes and shook his head to deny, "I didn't."

"Mr. Liu, the reason why I'm sitting here talking to you now is because I don't want to make things big, so please cooperate, otherwise I'll solve it as a passenger."

Xiao Liu is not stupid. He naturally understands what Lu Xingdao means.

After a fierce ideological struggle, he finally compromised and admitted: "you're right. Later, I did go to the toilet. I just... Just wanted to check if there was anything suspicious. There's no other meaning."

Lu Xingdao glanced at the small white medicine bottle in the corner of the table again and continued to open, "Mr. Liu, isn't it that simple? It's all for this. You don't have to hide it. Tell the truth. "

Xiao Liu was worried when he heard the speech. "Mr. Lu, I really just want to check if there is anything suspicious, because there are too many strange things in the carriage today, and the passengers are worried. I want to find the reasons behind these things. That's it. I didn't lie to you."

Lu Xingdao stared at Xiao Liu's eyes. There was nothing in those eyes except worry. Xiao Liu didn't lie. Wasn't he the one who drugged him? But what about the tranquilizer in the corner of the table?

"Mr. Liu, you don't know anything about what happened today?" Lu Xingdao asked. His eyes were still locked in Xiao Liu's eyes. He wanted to see what he wanted to see.

Xiao Liu was stunned. He was stunned for a moment before he opened his mouth. "What do you mean, Mr. Lu?"

Lu Xingdao sighed. There was nothing wrong with Xiao Liu's look. He didn't lie. Isn't he the one who secretly drugged the lunch box?

Lu Xingdao thought for a moment, reached out and took the small white medicine bottle at the corner of the table, "pa" clapped in front of Xiao Liu, "please tell me what this is?"

When Xiao Liu saw the white medicine bottle, his face suddenly changed. He looked at the white medicine bottle in a daze and said, "this is... This is a tranquilizer."

Lu Xingdao sneered, "tranquilizer? Then Mr. Liu told me, how could you have such medicine? These passengers who are ill today need to take tranquilizers, so please explain to me why you have this medicine in your hand? "

Xiao Liu didn't answer immediately, but frowned and thought about something. His face was tangled. Finally, he seemed to want to open again. He sighed and slowly opened his mouth.

"Mr. Lu, the reason why I have a tranquilizer in my hand is that I have the same disease as the passenger." Xiao Liu paused for a second and continued: "I also found out that I had this disease at noon, so I asked my colleagues for this medicine."

Lu Xinggui was surprised and puzzled. He thought Xiao Liu was the one who applied the medicine. Unexpectedly, he also got the disease. However, Lu Xinggui remembered that Xiao Liu did have an abnormality when Xiao Liu and the conductor came to the box at noon. At that time, he guessed with Zhao Chu that Xiao Liu should also get the disease. Unexpectedly, Xiao Liu really got the trick.

Before Lu Xingdao spoke, Xiao Liu continued, "Mr. Lu, I didn't mean to hide my condition, but just want to keep my position, because I have been complained by passengers many times. If they know I have a strange disease, they will complain about me without hesitation. I can't stand the complaint, or I will be dismissed."

Xiao Liu's eyes turned red when he spoke. Obviously, he didn't lie. Lu Xingdao believed it. "Mr. Liu, I misunderstood you. I knew it was for this reason, and I wouldn't embarrass you."

Xiao Liu was flattered. "Mr. Lu is polite. As a passenger, you have the right to protect your property and personal safety. It's not your fault. It's my fault." Speaking of this, Xiao Liu sincerely looked at Lu Xingtao and said, "Mr. Lu, although I hide my illness, please keep this secret for me, can you?"

Lu Xingdao nodded seriously, "don't worry, I'll keep a secret for you."

"Thank you, Mr. Lu." Xiao Liu's mouth finally revealed a smile. "Today's events are being investigated secretly, so Mr. Lu is assured that we will protect your passengers' property and personal safety."

Lu Xingdao smiled faintly and nodded again, "OK, I believe you."

"Thank you for your understanding." Xiao Liu raised his hand, looked at his watch and said, "it's getting late. Mr. Lu, go back and have a rest."

After leaving Liu's lounge, Lu Xingdao quickly walked to his box. Zhao ChuChu and Zhang Keke should not have eaten yet. He wanted to give them food.