C253 Counter Calculation

Without turning on the lights, Ma Dong got off the bed and looked out the window. The moon was not very white, and it was not very bright outside. Even if it was bright, it would be useless. The gate of the courtyard was not open, so he could not see anything.

Ma Dong pricked up his ears, hoping to hear something.

"Bureau Chief Ma, open the door!"

This voice sounded a little familiar