Chapter 670: Your Real Opponent Is Someone Else

"Did you hear that?" Only then did Bai San let out a sigh of relief. He waved his hand and said, "Let's go! Third floor!" The three of them shot upstairs in a flash, as quick as lightning. In just a few seconds, they were at the door of an office on the third floor. The hallway was completely empty-there wasn't a single person around. But from inside the office, a faint light glowed, along with the sound of gentle music. Bang! Bai San kicked the door hard, and it shattered like it was made of...