This is a military command post located hundreds of meters underground, protected from nuclear explosions above, surrounded by many high-tech electronic devices, with people coming and going constantly.
Yan Song walked straight ahead, passing through the long corridor, and came to a door at the end, knocking on it softly.
"Come in." A steady voice came from inside.
Yan Song pushed the door open and went inside.
Sitting behind the desk was a man in his forties or fifties, who smiled when he saw the visitor: "You've arrived."
Yan Song walked over, stood up straight, and saluted: "Good day, Chief."
"Enough with the formalities, is everything done?" The man smiled warmly.
"Mission accomplished."
"Hmm, Elder Shu and that person from the Xiao Family are very close; it's time to give them a wake-up call," the man said, motioning to Yan Song: "Have a seat."
"I'll stand."
