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.

A man who sees a picture of a woman and feels a crush on her and goes on a blind date. A woman who is late for an appointment is as pretty as her photo, but her words are pouring out...

A cop catches a serial killer who murdered his sister but never finds her body. The lack of closure torments him and drives his brother-in-law insane, who makes a deal with the mafia for revenge.

Yoo-Suk looks for a girlfriend who disappeared. Ae-Yeon has a fake diamond which her ex-boyfriend gave to her. Ae-Yeon was dumped by her ex boyfriend. Byung-Chan does not believe in love. Bok-Nam is in love with a friend of a friend.

A love for a cousin, deeply engraved in childhood. Twelve years later, a stopped heart begins to beat again.

Su-yeon, a cellist in an orchestra led by her fiancé and conductor Sung-jin, disappears one day, leaving behind only a video recording. Sung-jin is devasted over the loss of Su-yeon, but feels a strong attraction to Mi-ju, a cellist who fills in for his fiancée. Then one rainy night, Sung-jin and Mi-ju get swept away by their mutual desires for each other and commit an unforgivable act at Su-yeon's house.

Hayoung, a successful dog trainer, is visited by her sister, Sora, who has a criminal record for murder. As Sora's bizarre behavior unsettles the training center and Hayoung's daily routine, buried truths and repressed desires start to rise to the surface.

A romantic comedy of a young man and woman that is told in the background of hotel 'Emross'. It has stories of people who met each other at Hotel Emross during the New Year holidays. Each one has his own memory to relate and create relationships or just going nostalgic.