C230 She's a Secret

On the way home, Dan Hengmo did not say a word. He threw the document bag behind him. Ruan Ruan knew that the reason he was acting like this was because of the document bag, but she did not have the courage to pick it up.

What was written in the document bag? Was it about his mother? Otherwise, he would not be so sad. Besides, no one would let him show such a sad expression