C110 Kidnapping and Blackmailing

"Hey! If you've got nothing to say, I'm hanging up!"

Zhang Yang was getting frustrated. Why would someone call and remain silent? What was this all about? Just as he was about to end the call, a deliberately lowered male voice came through.

"Hello! Is this Director Zhang Yang?"

Zhang Yang found the voice odd, but he assumed it was a client. "Yes, this is Zhang Yang. Who am I speaking with