A teenage boy decides to change his style in order to get his high school crush to notice her.

Choi Ik-Ho (Lee Jung-Jae) is a martial arts star with talent for action and humor. But one day, he is framed for murder. Ace (Shin Ha-Kyun) is a game planner, who makes a game for the Korean upper class. He is a villain who makes a city into a big gameboard through technology. Ace and Choi Ik-Ho become adversaries as Choi Ik-Ho jumps into the game to save his brother. Written by anonymous

Set at a psychiatric hospital. Soo-Myung (Yeo Jin-Goo) has suffered from schizophrenia due to his guilt that he suffers from his mother's suicide. He meets Seung-Min (Lee Min-Ki) at the psychiatric hospital. Seung-Min has been forcibly hospitalized because of his wealthy family's inheritance fight. Dreaming of getting out of the hospital, Seung-Min constantly tries to escape. Soo-Myung begins to follow Seung-Min. Written by ryan thomas

Chul-Soo is the only son of a legendary thief family. He falls in love with Young-Hee who is a police officer. Her family is also a police family. To get her parents’ permission to marry, Chul-Soo undertakes an exam to become a police officer, but both families work to prevent their marriage.

In-Soo (Kang Ha-Neul) has a special gift to see ghosts and has become isolated from other students because of this. He transfers to a high school in a rural area outside of Seoul. There, In-Soo meets a female ghost (Kim So-Eun) at the high school and forms a friendship with her. Meanwhile, classmates disappear one by one.