A young man with Von Recklinghausen disease confesses to the murder of one of his neighbors. Is he telling the truth? Also, an old lady friend gets in touch with Jin-woo.
Mysterious men come to take Yeong-eun's body away. Meanwhile, Jin-woo and the team try to figure out the cause of death for a very healthy young man, with no marks of murder, who died very suddenly.
The team investigates the death of a man that may have been a part of group of religious cannibals. Jin-woo continues to investigate Yeong-eun's death.
A couple of criminals cut up a man with a rare blood type, causing the man to suffer from blood loss. Now they are demanding something in return for the blood samples that he needs.
