Due to the collapse of the construction site of the Ryujin Bridge he designed, Riku Kariyama was charged with an unwarranted crime and served his sentence in the National Penitentiary.However, in order to uncover the truth that was once covered up to protect the company, and return to his wife Reiko Kariyama, who has only a short time left - Kariyama plans to escape from prison with the awareness of death.Deliberately seriously injured and transported to an outside medical facility.

All that's left is to find a way to avoid surveillance during treatment and wait for the chance to leave the hospital...However, something unexpected happened here.Unexpectedly, the criminal officer Lin Yifu, who secretly saw through his escape plan, had a one-on-one confrontation with Kariyama in the ward! In order to find out the purpose of his escape, he questioned Kariyama...

Soon, the security guards who returned to the ward saw a “shocked scene”! What happened in the ward? Detective Masaaki Kuroki of the Metropolitan Police Department’s Investigation Section 1 who stubbornly investigated Kariyama also made new moves.Kariyama takes “unexpected actions” one after another——!!