"Natalie" es una obra maestra escultórica, que representa la belleza de una mujer. Se desconoce la identidad de la mujer representada en la escultura. "Natalie" se presenta al público en una exposición de arte, sostenida por el escultor Hwang Jun-Hyuk. En el último día de la exposición, Jun-Hyuk le cuenta al crítico de arte Jang Min-woo, sobre su apasionado romance con la estudiante de danza moderna Oh Mi-Ran. Min-Woo le responde que Mi-Ran lo quiere a él. Ambos descubren que tienen recuerdos diferentes sobre Mi-Ran, y comenzarán a desvelar el secreto que la rodea.
Won-young is at the center of a dog-eat-dog world where the only thing that matters is where you are in the social hierarchy. Won-young revels in his perverse sexual appetites and beats Gyu-nam who is abandoned by society. But for Gyu-nam, Won-young is the only person who even acknowledges him so he remains, as he himself acknowledges, Won-young's faithful dog.
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.
A repressed artist receives ritual abuse from those who pass him as he paints portraits in the park. Gradually becoming more frustrated, anger builds up within the artist, leading him to embark upon a quest to gain revenge on all those who have humiliated him.
Sang-hui has run away to Seoul from her quiet country life. She feels no regrets as she becomes nightclub hopper. In one of these clubs she meets the hard and bitter Yu-na who had suffered from many years of abuse at her father's hands. They become close friends and eventually meet a young man Yang-gu who seems to be a perfect match for Yu-na. However he is carrying a torch for a former lover. Sang-hui and Yu-na decide to hunt down and eliminate the competition...
Pil-gu is a high school athlete and the leader of an underground club called Shock. Along with the Shocks, the judo club and a girls' club called Sexy Wave led by Hee-jeong cause plenty of trouble and mayhem in the school. The arrival of a pretty young teacher named Yoo Yuna gets the students in gear for another big scheme. Each club sets up a strategy to lure the new teacher. After beating numerous contenders, Pil-gu approaches Yuna.
