["I Saw the Devil" - Sabai Danran Bar Murder Case] In the early morning of June 14, 1998, a taxi driver who was stopped witnessed a terrible scene. A bloodied woman lying in front of a building with a mortal wound to her neck. But what she said was even more shocking. "A person died down there too" In a bar located in the basement, the hostess and two guests are found brutally murdered. From the terrible state of the body reminiscent of a torture site to the meticulous attempt to destroy evidence! However, the police were convinced of an early arrest. This is because several fingerprints and footprints were found, and detailed montages were written by survivors and witnesses, and the investigation was invigorated. However, 25 years later, the whereabouts of the suspects remain unclear. The motive for the crime is also presumed to be not simple robbery as there are more precious metals left behind. In addition, even a lump of hair, which is not common at the murder scene, is found, raising questions. What does the suspect's bizarre behavior mean?