Where did the scar come from?

"Second Madam Feng, are you sure this is Qi yulang's handwriting?" Gu Xin asked.

"I'm sure! This kid studied here from our Feng family since he was a child. He only went to the Thai provincial college when he was ten years old. My husband often praised him, saying that his handwriting was good, and that his words were like his person. He often sighed that he had found a good son-in-law for Jinshu!" Because of her anger, second Madam Feng was in much better spirits. Her voice was even a little louder.

"Second Madam Feng, do you know what's wrong with third lady Feng's injuries?" Gu Xin noted this down and asked another question.

"What injury? What other injuries did Jinshu suffer?" Second Madam Feng was shocked and asked in a panic.