Asagao is a rookie forensic scientist, who works at a university forensic medicine class in Kanagawa Prefecture. She is a licensed doctor and respected by those around her. Asagao lives with her father Taira, who is a veteran detective. Asago's mother died in the 2011 Tohoku earthquake disaster and her mother’s body was never found.

One day, Asagao’s forensic medicine class unexpectedly works with the investigation section of the police department. When a dead body is found, the dead body is transferred to Asagao’s forensic medicine class. Asagao now works with her detective father.