Five people, Saneyoshi, Mishima, Luchini, Ushiyama, and Shinko are unexpectedly drafted into the Earth Defense Force. Their mission is simple: when aliens invade, they have to persuade them not to invade Earth and go back to their home planets. Soon, an alien from the planet Parol appears. When all of them are about to call it quits, Kaori comes out of the warp capsule.

Saneyoshi, Luchini, and Shinko are on duty today. An alien from Gouda appears. Saneyoshi starts negotiating with him but has to return to Earth for a short while because his wife is nagging him to drive their son to and from soccer practice. Eventually, the alien becomes angry since no one seems to have time for him. Shinko disposes of the alien with her armpit BO.

When the others ask Kaori to take a shift, she says she can't do it. When they press her for details, she confesses that she's poor and makes a living by selling matches and shining shoes. Losing at rock-paper-scissors, Shinko and Mishima take the shift. As they're talking about life and complaining that no aliens will come today either, a ladybug-shaped alien from the Samba race appears.

Two Tarpas aliens have tried to invade Earth by landing in a reception room on a Moon base. Despite their arrival, Luchini, whose live gig is about to start, heads for the door. Taken aback, the Tarpas question the importance of his role in the band and discover that Luchini is a mere MC. His job is to introduce the band members before they play and then to sit among the fans and pep them up.

Today, Saneyoshi, Luchini and Kaori are on duty. They've gotten used to working for the Earth Self Defense Force and feel they can relax a bit. Luchini feels the inspiration to write a piece of music and leaves Saneyoshi and Kaori alone. Their conversation progresses and Kaori suddenly confesses that she likes him. Kaori leaves to take care of something urgent. A Gerbaba alien arrives.