Kyogoku (Toshiaki Karasawa) and Matsuura (Naoto Fujiki) go back in time to 1985 when they are supposed to return to the present. It turns out that Matsuura's father was also involved in Kyogoku's Kagura investigation. The countdown begins to the big explosion that put Kyogoku in a coma for 30 years. Kyogoku heads for Kagura's hideout, accompanied by a mysterious old man named Ryo (Masataka Kubota).