故事从少女辻泽梁香（广濑铃 饰）与老婆婆林田亚乃音（田中裕子 饰）相遇开始，梁香失去家人，与社会脱节，找不到生存下去的方法，两颗遭遇背叛、欺骗，无法相信他人的心碰到一起，萌生出了某种感情，亚乃音努力保护梁香，假的家庭，假的人生，假的记忆，还有真实发生的事件，让少女逐渐发生改变……

Mikoto Misumi is a pathologist at UDI (Unnatural Death Investigation) Lab. She can't stand neglecting unnatural deaths and believes there must be a truth behind the deaths. Team members that work with her are autopsy doctor Kai Nakado, recorder Rokuro Kube, clinical test technologist Yuko Shoji and UDI director Yasuo Kamikura. They work on unnatural death cases and try to reveal the truth behind the deaths.