The little round stone plate rotated slowly in Liu Tingfeng's hands as his strength increased.

Liu Tingfeng held the little round plate with moderate force. He didn't dare to stop it suddenly. He was afraid that the secret mechanism that had existed for many years would malfunction if he stopped it suddenly.

Mu Qianmei also looked at Liu Tingfeng attentively. She watched him revolving the little round plate in his hands. Although she looked peaceful, it was ...