C150 Who is behind this

At this moment, the room was still brightly lit, just as Helian Lie had said. The empress dowager probably couldn't fall asleep at this point, but in fact, it had been a long time since she had a good night's rest, and anyone who stayed outside to watch their every move would be unable to sleep. The two guards at the door, however, were the elites of Helian Lie's meticulous arrangements