Detective Won-hae Kim was in danger of being killed by a demon while discovering a crucial clue that others did not know. In the 8th episode of SBS drama 'a demon' (playwright Kim Eun-hee / director Lee Jung-rim, Kim Jae-hong) broadcasted on July 15, Li Hong Bird (Hong Kyung) and Foreword Chun (Won-hae Kim) were drawn. On this day, Li Hong bird frankly confided to Foreword Chun that Zhong CountyCapital Initial Vice President Kim Chi-won (Lee Kyu-hoe) asked him to do a background check. Li Hong, who chose the Foreword Chun rather than promotion, said that while investigating Zhong CountyCapital Initial, four people who were disadvantaged to Zhong CountyCapital Initial were found to have made extreme Choices in succession. Li Hong Bird and Foreword Chun began to puzzle with what they learned and learned. In particular, Li Hong is said to have been told that he had been told that he had been told that he had been told that he had been told that he had been told that he had been told to do so. "Not sure," he questioned. They decided to conduct a more in-depth investigation. Forewordchun made good use of acquaintances in the investigation. Choi Gwi-hwa, who was a former junior but now a private detective, was admitted to a nursing hospital in Seoul with dementia until the death of Lee Jang, who lived in Jangjin-ri. He found out that his guardian was former Steel wool (Jin Sun-gyu) And from the acquaintance who was a long-term American flyer team ace, he restored the case report of Lee Mok-dan (Park So-yi). Forewordchun, who was checking the restored documents, confirmed something and said, "Is not it the second?" The problem is that soon after Forewordchun became a demon's Out of Sight. At that time, Gusan! yeong-eun salt damage, who found a new item head strap related to a demon with a salt damage award, suddenly warned, "It started again. People will die." "It was written as a violent crime investigation outside the Seoul Police Station building," he said. The salt damage prize is convinced that a demon's next murder, Out of Sight, is Foreword Chun, running to Gusan! Young and Seoul Police Station and calling Foreword Chun, "Do not open it if someone knocks on the door. Do not open the door to anyone until I arrive. " However, Foreword Chun heard a voice saying "It is a salt damage award" after the knock, and asked Li Hong bird to open the door. Li Hong, who opened the door on behalf of Foreword Chun, witnessed a demon Gusan! Young, laughing, saying, "Did you open the door?"