Reporters Takehara and Tsumura Aki work for the magazine "Shukan Dodongo". Their chief editor tells them to monitor Okase Shohei who is an ex-bureaucrat and was recently released from prison. 7 years ago, Shohei was arrested for embezzling 1 billion yen. The investigation seven years ago was able to track down 700 million yen but unable to locate the remaining 300 million yen. Now, the chief editor is sure Shohei will go to wherever the remaining 300 million yen is hidden. Shohei stops by a racehorse training center and heads to a street lined with expensive restaurants. Reporters Takehara and Tsumura lose Shohei in this area. Later, Shohei is found dead at a cemetery in Katsuura, Chiba Prefecture. He was strangled to death. The chief editor at the magazine believes Shohei was killed over the 300 million yen. The chief editor and Takehara go to the racehorse training center where Shohei stopped by earlier. They learn that the owner of the riding stable is Nishida Ryuzo and the owner ...