C921 Rescue from Zhou Zhier

With a light click, Zhou Zhi-er took two steps back, should have found it.

As expected, the bookshelf slowly moved to the side, revealing the dark entrance.

Zhou Zhier carefully walked to the entrance and crouched on the bookshelf. She looked inside and shouted softly, "Young Master Chen!"

Her voice was in the secret passage. There was a small echo, but there was no response from Chen Feng