153, the mouse's tail has been caught!_1

After hearing Dark's words, Lin Mo subconsciously stopped in his tracks.

The three people closely following behind him also stopped, standing nervously beside Lin Mo.

Passengers bustled past them, and the four of them seemed inconspicuous.

Zhang Li lowered his voice and asked, "Bro, what's wrong?"

Lin Mo glanced through the railing at the police officers who were speeding up their checks of passengers and subtly pointed at a small building: "There's a ventilation duct inside that room; we need to climb through it to get to the first floor."

"But now there's a problem. There are three cleaners taking a break inside the room."

What should they do?

After listening to Lin Mo outline the current situation, Zhang Li and the others fell into thought.

They only had five minutes.

How could they avoid the cleaners' notice and successfully enter the ventilation duct in such a short time?