C2437 Papa?

"Alright, I understand!" A deep male voice came over the walkie-talkie, then hung up.

A few minutes later, a tall man in a black suit came down from the elevator with two other burly men. They were walking towards the water supply room.

Leng Xuemu squatted even lower. At the same time, he turned off the walkie-talkie and controlled his breathing to its lightest