Marianne and Lucienne, Ryoko's maids, arrived in Narita International Airport after the two subdued a thief after kicking their baggage cart to knock him out. The two maids, with Ryoko and Izumida, investigate the appearance of a giant salamander beneath the Greater Tokyo Area with an underground resort being under by corrupt politicians as they use armed gunmen to kill the creature.
涼子のパリ別邸のメイドであるマリアンヌとリュシエンヌを迎えるため、泉田と涼子は成田空港に来ていた。2人を迎え、涼子の自宅へ戻る途中でみんなを乗せた地下鉄が急停止してしまう。一行は先頭車両に駆け付け…。
