Hatsushima Haruto, a neurosurgeon turned forensic pathologist, has earned the reputation of a divine genius thanks to his brilliant intellect. He now works at the National Forensic Autopsy Center, where he deciphers the traces left behind by the dead. The cases that land on his desk are among the strangest in Tokyo. Every investigation leads Haruto to unusual diseases lurking behind deaths that initially seem inexplicable, and to the underlying social problems.