By Keigo Higashino
Yasuko Hanaoka is a divorced, unmarried mom who suggestion she had ultimately escaped her abusive ex-husband Togashi. whilst he indicates up someday to extort cash from her, threatening either her and her teenaged daughter Misato, the placement speedy escalates into violence and Togashi finally ends up useless on her house flooring. Overhearing the commotion, Yasuko's round the corner neighbor, middle-aged highschool arithmetic instructor Ishigami, deals his aid, disposing not just of the physique yet plotting the cover-up step by step.
When the physique turns up and is pointed out, Detective Kusanagi attracts the case and Yasuko comes less than suspicion. Kusanagi is not able to discover any seen holes in Yasuko's synthetic alibi and but continues to be convinced that there is anything flawed. Kusanagi brings in Dr. Manabu Yukawa, a physicist and faculty buddy who usually consults with the police. Yukawa, recognized to the police by way of the nickname Professor Galileo, went to varsity with Ishigami. After assembly up with him back, Yukawa is confident that Ishigami had anything to do with the homicide. What ensues is a excessive point conflict of wits, as Ishigami attempts to guard Yasuko by means of outmaneuvering and outthinking Yukawa, who faces his so much shrewdpermanent and made up our minds opponent yet.