Kyung-jin, a police officer who finds herself chasing down a suspected bag-snatcher on her day off. However, the man she catches turns out to be Myungwoo, a passer-by who was himself trying to apprehend the real criminal.

"Sunday Seoul" is a film with three nonsensical episodes: THE WEREWOLF: A high school student Do-yeon who is the victim of bullying in school, is the main character of the first episode. He is not good at studying or at fighting. One day, an unexpected change happens to his body. THE VISITOR: On a pitch-black stormy night, a woman is visited by a stranger seeking shelter. The stranger eventually, is revealed as a serial killer on the run. THE YOUNG ADVENTURER: Seeking revenge for his father, a son embarks on a journey in which he encounters a young girl by chance and starts to learn martial arts.

When two brothers are forced to fight in the Korean War, the elder decides to take the riskiest missions if it will help shield the younger from battle.

A school director is forced to train the 'worst' students of his school to master Taekwondo as the old coach, taking along the best of his athletes, left the school.

Byung-tae is the kid who is always on the receiving end of beatings from the school bullies—that is, until he meets Pan-su, a martial arts expert who takes him under his wing.

Mi-young shows her boyfriend, Soo-hyun, to her two sisters. However, the sisters feel weird after the meeting, since both sisters immediately fall in love with Soo-hyun.

17 year-olds Sung-eun, and Mi-sook are always curious about sexual matters that nobody teaches them about. One day, new teacher Bong-gu, a handsome and well bred stud,arrives at school and begins to teach their class. He becomes an object to watch and study. Bong-gu, although he seems fine on the outside, suffers from an unknown illness that makes him fart whenever he feels aroused. Three girls learn about this and they go on a mission to make him fart.

Dong-hyun, Seok-gu, Sang-min and Young-je are typical adolescent high school boys deeply curious about sexual matters. When a female apprentice teacher, Ms. Kim Yoo-ri begins teaching at their all boys school, she captures the lust and imagination of four of her students, who cannot stop fantasizing about her. Dong-hyuns secret 'love' for his teacher is shattered by news of her affections for another teacher Mr Gong. Yoo-ri has already fallen for the homeroom teacher, Mr Gong, and has her own daydreams about what it would be like with him. Unfortunately, Mr Gong has forsaken love in his life, and is immune to her come-ons. Yoo-ri must get him to accept her advances, while rejecting the rapid-fire advance of her four students.

In the year 2020, a small number of Alien Research Club members gather in underground bunkers, having survived the invasion of yellow liquid aliens. Chaos ensues when an alien gets into the body of one of the members. And they realize everyone will die if they don't find and kill the alien within 30 minutes. Can these last survivors finally be safe in the face of the alien invasion?