Who is Chu Qiao's grandfather actor and why did he kill Chu Qiao?

Yu in Chu Qiao Biography is played by. Yu Yu's grandfather faked his own death for a reason. As the former controller of spy paper eye, Yu had to retire for physical reasons. At this point, the spy paper eye organization lost its function, and Yu's position became very embarrassing, and Yu stepped into the situation of three rooms dominating. Therefore, the best way for Yu at this time is to hide and let Yu Wenhuai, Yu Wenxi and others relax their vigilance, so as to accumulate their own strength and accumulate what they have made.