The irregularly shaped stone was about the size of an egg, but it looked perfectly ordinary, similar to a river pebble.
But unlike a normal pebble, a shield had been drawn on it—or was it a shield?
Brother Zhang looked at it several times. It was, indeed, a shield—the very same kind he had seen in his elementary school textbook. "My spear is the sharpest in the world and can pierce anything. My shield is the strongest in the world, and nothing can break it."
This was the exact shield drawn in the textbook.
'What does Doctor Wen mean by this?'
Brother Zhang had his suspicions, but he couldn't quite figure out Doctor Wen's intentions. After all, he wasn't a psychiatrist; he was just an ordinary police officer.
"Five thousand for this rock?" Cheng Cheng clearly possessed all the typical traits of a young woman: she was direct, spoke her mind, and lacked a certain subtlety.
The question slipped out before she could stop herself.
