張健龍たちは新潟の漁港から海路で中国を目指していた。その前に羽柴と香月が立ちはだかる。張健龍の部下・劉梓豪の強さに圧倒される羽柴たち。一方その頃、夏目はPCモニターを操作していて……中国側に寝返ったレイだったが、その真の目的は?――生物兵器を巡る戦いが始まった!
Zhang Kianlong and others were aiming for China by sea from the fishing port of Niigata. Hashiba and Kazuki stand in front of them. Hashiba and the others are overwhelmed by the strength of Zhang Jianlong's subordinate, Liu Zihao. On the other hand, Natsume was operating a PC monitor at that time... Rei had switched sides to the Chinese side, but what was his true purpose? ――The battle over biological weapons has begun!