C321 Start the Investigation

That night, Tong Yuanyuan asked someone to invite Tong Changsheng to a teahouse.

Long story short, Tong Yuanyuan knew her brother well, so Tong Yuanyuan did not plan to hide it from Tong Changsheng and the others to find someone.

But the Imperial Palace was so big that it was really hard to make a move. She could only arrange for one person to enter the Palace as a guard