Through a Mental Trace, Arata discovers that the supposedly-dead Kurisu is alive and uncovers the truth behind the terrorist bombings. Shimotsuki, meanwhile, has launched a forced search of Heaven’s Leap and brought Unit Two to locate Kei. Torri, cornered, takes Maiko hostage and confronts Kei, but Maiko takes advantage of a momentary opening to end his life.

Unit One has begun to grasp the truth behind the incidents following each other like a line of falling dominoes and team up with the SAD to continue their investigation. Arata guards the governor, who is at risk of being targeted again, while Kei organizes a sting using Kisaragi as bait. When he arrives at the appointed meeting place, however, he finds Shizuka Homura waiting for him.