Who Are You?

Dragging the large saw, Chen Ge slowly walked out from the room that had gone quiet. Blood slid down the chain, and the pair of lifeless eyes looked at the ground floor. The young man took out a ring of keys from his pocket. He grabbed the man with the glasses, and they ran toward the steel door that headed underground.

Why would have the key? Is it due to his occupation? No, the man is cheating. He probably has both the key and the things. No wonder he was able to maintain his calm no matter what.