讲述检察厅科学警察研究所里的一名天才科学家九十九因为一场意外，使大脑思考能力变得更加强悍，成为一名性格古怪的脑科学家。只要自己感觉有兴趣的东西，都会调查到底，然而周边所有的人都疏远九十九，本人似乎毫不在意，继续追查犯人，将案件真正的真相挖掘。最后九十九让警察检查尾崎伸一郎的DNA，通过检查结果想起与17年的案件有着密切的联系。此时搜索17年案件所有相关的证据，有着意外的发现，又发现出诱拐的目标即将发生在东京科学博物馆演出的津田义一身上。当所有人赶到博物馆时，犯人已经将津田义一绑架，告诉所有的警察现场安装10个炸弹，疏散观众之时，九十九发现其中有疑点，独自一人开始深入调查。在会场搜索犯人时警察也发现津田义一并没有遭受绑架，实际被绑架的人是九十九

It tells about Jiujiu, a genius scientist in the Scientific Police Research Institute of the Public Prosecutor's Office, because of an accident, his brain's thinking ability became stronger and he became An eccentric brain scientist. As long as I feel interested, I will investigate to the end, but all the people around me are alienated, I don't seem to care, continue to track down the criminal, and dig out the real truth of the case. In the end, Jiujiu asked the police to check the DNA of Ozaki Shinichiro, and through the inspection results, he remembered that it was closely related to the 17-year case. At this time, I searched for all the relevant evidence of the 17-year case, and found an unexpected discovery, and found that the target of abduction was about to happen to Tsuda Yoshiichi, who was performing at the Tokyo Science Museum. When everyone rushed to the museum, the prisoner had kidnapped Yoshiichi Tsuda and told all the police to install 10 bombs on the scene and evacuate the audience. Jiujiu found something suspicious and started an in-depth investigation alone. When searching for the prisoners at the venue, the police also found that Tsuda Yoshiichi had not been kidnapped, and the actual kidnapped person was Jiujiu