Back then, to leave no evidence, he specifically didn't send someone to deliver the message orally, didn't sign his name on paper, nor did he use the paper commonly used in his palace.
By common logic, Yang Zhan wouldn't be foolish enough to leave such a flaw, yet they left it!
The father and son were beyond his expectations!
Prince Rong actually had so many schemes, he preserved such crucial evidence. The flaw now wasn't that fan, nor Zhang Shicheng, nor Prince Rong and his son themselves, but his handwriting!
Xu Yin, who was previously speculating about the origin of the letter, suddenly felt his blood freeze upon hearing the Empress's accusation!
It was only at this moment he realized that hidden in the ancestral hall of Prince Manor wasn't just that fan, but more fatally, this piece of letter paper!
