The news of Qing Mei being driven away was brought back by Granny Miao.

"My lady, as per your instructions, I informed an old Granny about the incident where Third Lady mysteriously injured her foot. Afterwards, the eunuch who overheard our conversation went to report it to Lord Jing. After finishing his lunch, Lord Jing found an excuse to visit Third Lady. Later, at her place, he threw Qing Mei out. I heard that Qing Mei was still lying there, unable to move. Eventually, ...