Kunihiro orders Naoyuki to have a date with Iriya. On Saturday, Iriya waits for him for four hours before the meeting time of 10:00. They go to see the movie which begins at 10:30 where Iriya falls alseep, followed by both Kunihiro with Yūko and Enomoto with his assistant. Noticing that they have tapped his listening device placed in Naoyuki's wallet, Kunihiro manages to catch a picture of Enomoto and his assistant as they flee after being discovered. The commotion causes Iriya to take Naoyuki and run. Disposing of the Kunihiro's bug, they continue to be chased by Kunihiro and Yūko, under the impression they are enemies. However once they manage to ditch the two, they stop by a park where Iriya recounts a tale of herself and four others at the Nevada base when the group decided investigated the crash site of one of one of the group. The next day, Naoyuki finds her application for the newspaper club in his footlocker.
～どうやら、俺たちの与り知らねえところで、巨大なインボーが進行しているらしい～
伊里野と浅羽がデート？！ それは電波新聞部へ伊里野を勧誘するために、水前寺部長が仕組んだものだった。
映画を見に出かけた二人を監視するべく、榎本と椎名が張り付く。そこへ浅羽の妹・夕子だけでなく水前寺までが現れて、まるでスパイ合戦のありさま・・・。
伊里野をさりげなく新聞部に誘う浅羽。だが、盗聴に気付いた伊里野は、浅羽を連れて映画館を逃げ出した！
謎の少女・伊里野加奈と、平凡な少年・浅羽直之を巡る、ひと夏の冒険の物語。少しずつ、少しずつ伊里野の秘密が明かされていく。 シリーズ第二話。
