In order to prove his innocence in the collapse of the Ryujin Bridge construction site, Riku Kariyama escaped from the prison and hid in Yutaka Handa's home in Shizuoka.However, the detective Kuroki Masaki who was chasing Kariyama finally came to his hiding place.Kariyama took the initiative to appear in front of Kuroki. In order to protect Handa, he threatened him and asked him to hide.On the 4th day of his escape, he was arrested again!

At this time, lawyer Akizawa Ryoto, who was entrusted by Noritaka Isoda, the president of Teiwa Construction Co., Ltd., to find the location of Kariyama, found Kariyama's wife Reiko.Reiko, who had been hiding the express delivery from her husband, was shaken by Akizawa's words...!?

On the other hand, what did Kuroki think of when he was transferring Kariyama to Tokyo?Start investigating Kariyama alone! What is Kuroki's goal!? And what awaits Kariyama's fate next -.

Soon, things developed in an unexpected direction.The darkness hidden in the collapse accident, far beyond imagination, gradually surfaced...!