Doo Hyeon, who goes by the name the "Goblin", goes to prison for taking the fall for Yeong Min who killed their boss.
Released after 10 years, Doo Hyeon had been living a normal life, until he found out Yeong Min had been taking advantage of his name "Goblin".
Yeong Min goes so far as to kidnap Doo Hyeon's daughter to keep his mouth shut. Enraged, Doo Hyeon seeks revenge and announces the return of the real "Goblin".
Upon receiving the body of a maid in waiting who was said to have hung herself within the palace walls, dedicated doctor Chun-ryung begins to suspect foul play. Upon launching a personal investigation, however, Chun-ryung quickly discovers a labyrinthine maze of deception constructed by those with limitless power to conceal a valuable secret.
Go-ni tries his best to worship Pyung Gyung-jang as his teacher, and promises to stop gambling after winning his money back. But people's desires are endless.
It's school festival day and Min-hyuk is busy dancing and singing. However, it is not the stage but a toilet that binds his destiny. He is bewitched by a daring high school girl, Mi-hyun, who comes into the men's room because the women's room is full. From that day on, Min-hyuk woos her, escorts her home at night, stuffs her locker with roses, and clears passages for her in the morning after a snow fall. For all his efforts, he doesn't get much more than a tender glance from Mi-hyun. When she suddenly vanishes "sorry" are the only words she leaves behind.
