中国大使館員を名乗る諜報員・張健龍らによって生物兵器を奪われた羽柴たち。一方その頃、香月の妻と娘がムンドの手によって拉致されていた。「家族を返して欲しければ、中国から兵器を奪い返せ」と新たな要求を受ける香月たち。羽柴と香月は張健龍の後を追うが、そこで目にしたものとは
Hashiba and the others have their bioweapons stolen by an intelligence agent, Zhang Kenlong, who claims to be an employee of the Chinese embassy. Meanwhile, Katsuki's wife and daughter were kidnapped by Mundo. Kazuki and the others receive a new demand, "If you want your family back, take back the weapons from China." Hashiba and Katsuki chase after Zhang Kenlong, but what do they see there?
