You are a new resident doctor at Gold Star Hospital. You just finished your first week. You are observing the senior doctors and the strange events around Dr. Seung Tak. A critical patient is crashing in the ICU. The best surgeon for this case, Dr. Cha Young-Min, is dead. But the patient needs surgery now. Dr. Seung Tak, a resident, is acting very strange. He is talking to himself and moving like a expert surgeon.