Several years ago, a tank squadron of the Ground Self-Defense Force was attacked somewhere in Southeast Asia. The entire army was wiped out except for the captain, Yukito Zhezhi. Back to today, the Bay Bridge suddenly exploded, and the people were plunged into panic. A man named Arakawa Shigeki, who claimed to be from the Self-Defense Forces Investigation Department, found Goto and Nagumo and told them that the true situation of this incident was caused by an unidentified fighter jet launching missiles to attack the bridge. At the same time, he believed that Yukito Tsuzuki, who had been missing for a long time, was the biggest suspect. Just as Goto and others asked Matsui to assist in the investigation, false alarms of air raids appeared all over Japan, mostly targeting the Tokyo area. For this reason, the military, police and other departments have also fallen into a dilemma of confronting each other and being at a loss. In order to prevent this from happening, the government mobilized some self-defense forces loyal to itself to station in Tokyo. With Matsui's unremitting efforts, clues about Zhe Zhi's pedestrian were finally found, and Nan Yun also realized that this former lover was the mastermind of the turmoil. However, due to Arakawa's involvement, Zhezhiyukito no longer had contact with Nagumo, and he completely disappeared into the night. The precursor of terror finally occurred: Tokyo's communication system was suddenly completely paralyzed, and the troops stationed throughout the city became like blind men, unable to act effectively at all. At this time, a huge airship full of poison gas was approaching this undefended city...