C111 This Was King Cheng's Handwriting

Song Junlian moved the potted plant. The base of the potted plant was obviously fixed.

The potted plant could only move clockwise. He twisted it, and then he heard the sound of a mechanism activating.

Tao Xiyuan stood beside Song Junlian, and the two of them nervously looked around.

After a while, the bookshelf on one side started to move, and the door behind it gradually revealed itself