Fu Zhengzheng sits for a while and prepares to sleep but a dark object moves across the window at this time…

She walks to the sliding door alertly and hides behind the curtain.

But she doesn’t hear any familiar secret signals. It’s not her colleague!

Fu Zhengzheng stays where she is and stares at the window, which is a meter away.

Finally, she sees someone blowing a thin tube.

Is he blowing knockout drops?

Fu ...