Inspector Kei Mikhail Ignatov finds himself involved with an organization named Bifrost with the possibility of freeing his wife if he betrays Unit One. Koichi Azusawa coordinates an assault on the Public Safety Bureau tower using his hacker Obata, locking down the building and kidnapping Inspector Arata Shindo. Azusawa demands that governor Karina Komiya resign from her position.
Toron, a young tyrannosaurus boy, is carried off downstream and loses his memory. While making his way back home, he discovers new friends and finds out that working together is the only way forward in life.