After saying all that, the old man hung up the phone.,"Who are you" the middle-aged man asked in a cold voice.,When Yun Yan heard this, her face was full of dejection. The usually aloof expression on her face was replaced with a pleading look as she gazed at Hu Yang, "Then... can you try to contact him I'm really anxious, as long as Doctor Hu can save my grandfather, we can agree to any condition."。