Kyung-jin, a police officer who finds herself chasing down a suspected bag-snatcher on her day off. However, the man she catches turns out to be Myungwoo, a passer-by who was himself trying to apprehend the real criminal.

A dweeby, mild-mannered man comes to the aid of a drunk young woman on a subway platform. Little does he know how much trouble he’s in for.

Su-ho is a plain high school boy, and Su-eun is a bright and beautiful girl in the same school. For some unknown reason, Su-eun has a crush on the boy, and for equally mysterious reasons she rescues Su-ho in the sea though he doesn't know who actually saved him.

These intertwining stories about romance and separation follow a firefighter who can't find the right time to propose, a shy theme park worker who falls for an artist, an estranged mother and son, and a man seeking to regain his lost love.

Seung-ryong owns a small toast shop, who is sick from taking in briquette gas in the past after his parents died. One day, his first love comes back to Korea, and they become close. However, he finds out that his little sister is sick.

Byung-ki is a clumsy village policeman who helps out with trivial tasks like distributing promotional papers, though he dreams of fighting evil. One day, he runs into Min-kyong, an employee at the neighborhood bowling alley, and falls for her at first sight. However, his attempts to woo her go unnoticed. Meanwhile, Sang-doo, the boss of the local gang—with whom Byung-ki harbors a boyhood grudge—also swoons over Min-kyong and vows to take her virginity on Christmas Eve.

Hun is a famous Casanova who works as a part-time valet parker at a bar. He suffers from a huge amount of credit card debt, since he has spent money on his girls. Meanwhile, Hun's usurer hires Joong-tae to threaten Hun for getting his money back. One day, Hun and Joong-tae witness a murder scene, and they fall into the real trouble.

A young student falls madly in love with a professor's daughter. Promised by the professor that he will let him marry his daughter if he graduates from university with a law degree, the student works hard and finally succeeds. When the time comes for the professor to fulfill his promise, his daughter suddenly announces that she will marry another...

Former teen idol Nam Hyeon-soo is now in his thirties and working as a radio DJ. One day a young woman named Jeong-nam shows up and claims to be his own daughter. She also has a son whom she claims to be Hyeon-soo's grandson. Their relation is proven via DNA tests by Hyeon-soo's brother. This leads to Hyeon-soo attempting to avoid a scandal concerning him having children "unknown" to the media.

A college student befriends two cute girls his age. He loses contact with them. He tries to find them years later.