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.

The life of a happy family is thrown into turmoil when they are given 30 days to pay back a relative's massive debt or lose everything.

Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.

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.

Ji-soo is unsuccessful in fulfilling her dream of becoming a famous pianist. However, when she comes across a child with great potential, she decides to fulfil her dream through him.

Top student Ji Hye wants to go on a study abroad program for English. She gets her opportunity but can't make her passport because she's registered under her father whom she has lost contact with. She's always complained about her family but her complaints mount with this issue and she has to learn to listen to her family and sympathize that they're experiencing the same things in different ways.

Yoon-young fell for Song-hyeon when she was married to his friend. When she gets divorced, he takes her on a trip to Gunsan, where they stay at a guest house run by a middle-aged man and his autistic daughter.

In-gyu has intellectual disability. His mother, Ae-soon, takes care of him, nagging him all the time. One day, she is diagnosed with terminal cancer and prepares for her son's independence.

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.

A story about a group of trouble makers, who knew nothing about baseball and create a team to save the Earth from the best baseball team in the Universe, the "Devil's".