It seems to be a harmonious and happy family gathering. Conversations that begin with lighthearted jokes gradually uncover long-standing conflicts. Despite everyone's efforts to resolve and improve their relationships, the discussions only grow increasingly complicated.
Joo-Hee (Kim Hee-Jung) is a married professor. She is stunned to learn that her husband Dong-Hyuk (Seo Tae-Hwa) is having an affair with her own student Yeon-Mi(Seo Eun-A). Joo-Hee pretends she doesn't know about their relationship and invites Yeon-Mi to her home. Dong-Hyuk and Yeon-Mi, believing Joo-Hee is oblivious to their affair, continue their intimate relationship at his home. Joo-Hee though has her own plans.
31-year-old single woman Kim Ji-su once wanted to become a famous pianist like Horowitz. Her dream was shattered but she went on by teaching children piano. One day, she discovers a young musical genius, and begins giviving intensive lessons to prepare him for competition. However, while it doesn't turn out, Ji-su is shocked when she realizes that the boy carries a secret that will change her life forever.
A mosquito from Transylvania finds its way to Seoul where it bites Na Do-yol, a corrupt police officer. Soon after he begins to develop a thirst for blood, and finds out that he has vampire super powers whenever he becomes sexually aroused. When Do-yol's past misdeeds come back to threaten his partner and girlfriend, he decides to clean up his act and sets out for revenge.
When Joong-pil, the biggest bully in his high-school by far finds himself harboring feelings for a classmate, his entire identity is thrown off balance. Suddenly his smoking, his drinking, his constant swearing and his habit of pushing underclassmen into walls don't seem like good habits anymore. Without his nastiness, who is he? He might just like this girl enough to find out, if he can figure out how.