He is dead

Situ Xun glanced at the hidden door that was shut behind him and sighed in relief, when he heard the alarm ringing, he thought that it was his second brother poking around looking for their mother's remaining things that were hidden away on the night she died, fortunately, it was Yin Zhu who did not know what was going on in this house —— but still it looks like he needed to change the mechanism of this door lest Situ Mu Yan finds it.

He just hoped that until then nothing happens. 

When the sun finally rose in the sky, Ye Zhao came out of the manor to bring the groceries that belonged to the eldest miss manor with her from the main kitchen when she suddenly heard a man who was walking towards the main kitchen say,