Ano 202X. Os carros elétricos autônomos substituíram os carros de combustão interna, tornando-se onipresentes no Japão. No entanto, um circuito de corrida conhecido como MFG usa carros de combustão tradicionais.

2112; the summer before Akane Tsunemori was assigned to Criminal Investigation Department. Teppei Sugo, an accomplished pilot of the Defense Army, joins the military operation in Okinawa. Three months later, an unmanned combat drone opens fire on the Ministry of Defense in Tokyo. Enforcer Tomomi Masaoka is dispatched to Sugo's military base to investigate the truth behind this case.