["A demon with an angel's face?" - A woman's cruel mystery] On February 13, 2005, a fire broke out at a hospital specializing in burn treatment in Gangnam, Seoul. The fire was extinguished by the quick response of 119, but it was an accident that could have led to large-scale casualties. Unexpectedly, the identity of the culprit is a woman in her late twenties! Due to her good looks and good nature, everyone called her her "angel"... During her investigation, the story told by her younger brother of her mother was shocking. Not only did the fire keep repeating around her, but her family was seriously injured or suddenly died. How could these things have happened, the detectives in charge of the investigation began to capture decisive clues that made the woman suspicious... The greatest 'psychopath' tendency, abuse while caring for others for self-satisfaction A woman who said she could see both 'Munchausen Syndrome' and 'Proxy Munchausen Syndrome'! The psychological background of the bizarre crime is explored through in-depth analysis by Lee Kwang-min, a psychiatrist.