"Doctor Du, do you have time now?"
The familiar tone and the strange yet inexplicably familiar voice made Du Heng momentarily distracted as he answered the phone. Whose voice is this? His brain quickly tried to make a match.
Perhaps Du Heng was taking too long, as the person on the other end noticed and introduced himself, "I am Wu Zhong. Doctor Du, do you have time now?"
Wu? Which Wu? The elderly voice on the other end wasn't very clear, but it gave Du Heng a distinct range for his search.
Instantly, his mind raced, and two familiar names surfaced: Wu Zhouzhou and Wu Shengnan.
Wu Shengnan! Then Wu Zhong... that must be her grandfather, the old gentleman!
Only Wu Shengnan's grandfather would speak to him in such a tone.
His mind worked fast this time, identifying the voice's owner in just three seconds. He hurriedly replied, "Mr. Wu, hello! Happy New Year."
