The faint remains of the truth remain in the burnt ruins of the fire scene. From those few clues, there is a man who reveals the cause, responsibility, and even evil. A fire investigator called Holmes of the Fire Department, Renjiro Kurenai, discovers the truth in the ashes in this unparalleled mystery of fire! Mei Kuroki, a beautiful woman with a police career, appears in front of Kurenai and her friends who arrive at the scene of a fire at a cabaret club. She says that this fire was arson by a former employee who was fired for having an affair with a woman...!?