In order not to let the driver see the flaw, Zhao Tiezhu continued to pretend to be reading, but the corner of his eye never left the taxi driver.

The driver continued to drive with his eyes peering into the rearview mirror from time to time. Zhao Tiezhu noticed that the driver was not looking at him, but at the backpack in the car.

Glancing at Zhao Tiezhu's backpack, he found that the backpack had not been pulled properly, and the old scroll of sheepskin inside revealed a corner.

Zhao Tiezhu couldn't help laughing bitterly, but he didn't realize that the taxi driver was still a person who knew the...