"What's the matter?" asked the Emperor.

"Your Majesty, I've found some clues about the case of Prince Zhou's falling at the palace gate caused by a startled horse. Your Majesty, please have a look!" Chu Qing said, took out a memorial from his sleeve and presented it respectfully.

A eunuch came over to fetch it and then unfolded it on the desk in front of the Emperor after getting back to the Emperor.

The Emperor lowered his head and began to read it. As ...