The image of a man caught in a hidden camera, and a faint sound "Ah... Bur... G" The image of a man accidentally caught in a hidden camera at a ryokan started to become a hot topic among internet netizens, saying that a ghost image appeared. Lee Min-hyung, PD of Mokdugi Productions who encounters this incident, begins to dig into the case out of curiosity about why the figure of this ghost appeared. After analyzing the various circumstances recorded in the video and the customer's items caught by the camera, the reporting team found that it was a ryokan near Hoegi-dong and began to search the room where the ghost in question was photographed. PD Lee attempts an interview with the inn's manager, but he is stubbornly rejected, and while conducting an investigation, he finds out through a real estate agent that the inn's owner owned a haunted house where the family lived in the terrible family murder case in Busan 20 years ago . Through an interview with the innkeeper Choi Tae-yong, who identifies himself as a distant relative from the family, Lee PD will hear more details about the case where the eldest son, Choi Kyung-ho killed his mother and younger sister, and also committed suicide. And as important evidences were discovered as we went to the abandoned house, the place of the case in question, it was gradually revealed that there was something suspicious in Choi Tae-yong's interview...