Your eyes are sticking together and your head hurts for the second day. For several days you haven’t slept and worked on one case. The murder of Jisung. The killer left no traces and evidence, it complicated the investigation.Your boss forgets that you are a simple girl and constantly loads you with work. Even your partner does not help.

“Are you sitting here again? It’s 3 am. it’s time to go home.” He pouted and closed the door behind him. “I’m really worried, do you know that?” He put a cup of hot coffee on your desk and sat on a chair in front of your table.There was a strange grin on his face. “Btw, I heard that you were friends with the victim. You were really close, weren’t you?” He put his elbow on your desk and put his chin on his palm. He made you strain a little. What did he mean and why does he say that?