C399 Concealed Wealthy Marriage

What was it that made Dad use such a serious word?

It was a pity that his father's words ended here, with an ellipsis. From this, it could be seen that this matter was extremely difficult to talk about. To his father, it was a huge secret. What could it be?

Tong Wenya continued to read her father's diary, which contained some information about solving cases.

There was another page that said