Only three days before their high school festival, guitarist Kei, drummer Kyoko, and bassist Nozomi are forced to recruit a new lead vocalist for their band. They choose Korean exchange student Son, though her comprehension of Japanese is a bit rough! It's a race against time as the group struggles to learn three songs for the festival's rock concert—including a classic '80s song by the Japanese punk rock band The Blue Hearts called "Linda Linda".
In a Japanese school, 5 adolescent geeks join the new sport teacher and take up the challenge to take part in the synchronised swimming competition, in-spite of the mockeries of the real sportsmen.
Within days after the mysterious new student Kawakami Tomie joins a high school classroom, all hell literally breaks loose. Simple in-fighting between boys and girls over Tomie's oppressive shadow soon gives way to mind-breaking violence, culminating in a grizzly dissection that ultimately leads to suicide, insanity, and even more violence.
