When a tragedy befalls their fellow students on graduation day, three pupils of the Hayate Way's Ninja Academy must take on the Jakanja — a clan of evil space warriors. But they can't do it alone. Can they find the help they need? And can the young warriors act swiftly enough to defeat the Jakanja before they destroy the known universe?

The story revolves around high school student Akira Uehara, sensitive and demure by nature. Despite that he has a large crush on the most feared and violent girl in school-Nanako Momoi, who seems fragile and cute, until she opens her mouth. One day, Uehara is made to go to Momoi's house where he meets her mad scientist grandfather and unwillingly becomes the test subject for one of his machines. Accidentally, Momoi alsogets tangled in the experiment and the two end up switching bodies. To make matters worse Momoi in Uehara's body breaks the machine (which will cost 2mil. yen to fix) as she would like more time in this body thus beginning their world full of debts and troubles.

「ブリスター！」の須賀大観監督がメガホンを取った青春ロボットアクション。自称“天才便利屋”のマサルは、オタクな公務員ニラサワから奇妙な依頼を受ける。土星人の侵略から地球を守る幻の巨大ロボット“ランドツェッペリン”を動かすために、マサルの声が必要だというのだ。同じ頃、マサルと親友のコウは麻薬がらみの危ない仕事を引き受けるが……。突然地球の運命を託されてしまった冴えない青年マサルを演じるのは「パッチギ！」の塩谷瞬。

Hatsuko, who is poor and has no friends, finds emotional support in Mishima, a boy in her class, who helps her with her study to go to a high school together. However, Hatsuko's brother causes trouble at the factory and gets the sack. Hatsuko gives up her dream of going to high school.

下午6时，涉谷某处，三对男女网友相约在此碰面……
失业青年良平（塩谷瞬饰）曾一度沉迷网游，后因受到“暴走天使”（野波麻帆饰）的鼓励，才使他对生活重拾信心，这一天，良平鼓起勇气提出和暴走天使见面。
见面后，对方只顾大吃大喝的形象着实吓坏了良平，询问后才发现认错人了，面前的女生加奈（安田美沙子饰）实际上是生活陷入窘境的模特，找交友网站上的对象混饭来着。同时，被暴走天使误认为良平的是前来找网友一起自杀的失败中年男子（伊藤正之饰）。而当误会即将解除之际，他们却又被流氓团体追杀……
一幕闹剧由此开演。

野田伍郎（藤原龙也 饰）少年时父母因债台高筑双双自杀，自此伍郎生活陷于黑暗，辗转于孤儿院、少管所、黑帮等边缘地带。回到日本后，他与当年的好友公介（塩谷瞬 饰）、纯、达男合伙靠婚姻欺诈为生。
某日，他们在宾馆地下车库拍到绑架镜头，继而从电视上得知，被绑架者是一起政治舞弊案的重要证人。参与绑架者隶属于一个名为RCA（危机处理代理机构）的神秘组织，其成员皆为身怀绝技的格斗高手，专门负责替政要处理棘手问题。伍郎意识到其中的危险，与RCA达成协议，保证不泄露当天细节。而公介却因急需用钱，私下将录像透露给电视台。此举惹怒RCA和幕后政要，伍郎等人成为被狙杀的对象……