Ataru, who suffers from “savant syndrome,” has the power to discover, observe, see through, and deduct microscopic evidence of unsolved cases. Why does he always go to the criminal sites? What explains his strange behavior? Meanwhile, a mystery unfolds with Ataru and a woman named Madoka, who is a killer. The woman possesses the same extraordinary memory and deductive reasoning abilities as Ataru. Who is she?

A blackmail arrives at Appi ski resort. “We demand 30,000,000 yen as consolation money for the destruction of the environment. If you do not respond to the demand, a time bomb set on the ski slope will be detonated.” If the bomb goes off, it will not only hurt the skiers but trigger an avalanche and cause a major catastrophe. The general manager of the ski pistes, Kurata (Ken Watanabe) pleads for an immediate shutdown of the ski site and reporting to the police, but the president of the ski resort gives priority to business interests and decides to negotiate with the blackmailer. And a negotiation process for a despicable ransom case with a massive hostage of all the skiers at the resort begins.

Shuichi Tsujiyama (Takumi Saito) is a broke private investigator. While on a job assignment, he is about to catch a crucial moment by taking a picture, but Naomi Arai (Fumi Nikaido) misunderstands the situation. Shuichi Tsujiyama and Naomi Arai struggle physically. Because of this, Shuichi Tsujiyama misses his crucial photo opportunity. Kimie Hasenuma (Mari Natsuki) is a housekeeper who has been employed by Naomi Arai for many years. Kimie Hasenuma asks Shuichi Tsujiyama to be Naomi Arai’s bodyguard.