C1670 It Was a Two-pronged Approach(2)

Suddenly, he heard the sound of the door opening. He pricked up his ears and listened carefully. He felt that there were four people. They were definitely not Jia Zhengjin. His footsteps were light and full of vigilance. He could not help but frown.

At this moment, the door opened. Someone threw something in. Lu Zifeng glanced and found out what it was