The content within the letter wasn't much, just one simple sentence. Furthermore, just the content alone wasn't something very shocking.
Very simply, it stated that in the capital examination, Yun Qingwu was the person who sent somebody to bet on Fang Zhengzhi attaining roll champion.
Yun Qingwu betting that he would be roll champion?
Fang Zhengzhi indeed felt somewhat curious inside. He only met with Yun Qingwu once, how was she so sure? Another thing which Fang Zhengzhi was curious about was Wu Yuer's control of information and intelligence.
Yun Qingwu sent somebody to buy that bet, and from that intention it could be inferred that she didn't want people to know. Even though Wu Yuer was the person behind the betting scene, but to truly trace back to the real buyer, it still required some time.
Yet, she was able to give a confirmed reply very quickly.