Two months after their wedding, Yeon-Yi (Yoon Jin-Seo)'s husband Jin-woo (Yoo Ji-Tae)gets into an accident and falls into a coma. During this time, Yeon-Yi's life shatters from the seams. She misses her deadlines for work, while she has only videos of her wedding to comfort her. Then Yeon-Yi waits at the airport for Jin-Woo's brother Jin-Ho (Yoo Ji-Tae), whom she has never met before. She is stunned when she meets him, because Yeon-Yi never knew Jin-Woo and Jin-Ho are identical twin brothers. Although Jin-Ho and Yeon-Yi's relationship is cold at first. they soon become attracted to each other. Their relationship becomes even more volatile, when Jin-woo suddenly awakes from his coma .....
A man becomes involved in some extra-sensory experiences after hitting a woman while driving drunk and bringing her home. She has amnesia and cannot speak, but that doesn't prevent her from communicating with him in other ways...
After an extremely close national assembly race, Jong-chan wins the nomination of his party. He and his wife Yeon-hong are fully committed to the campaign and when their teenager daughter Min-jin goes missing, Jong-chan convinces Yeon-hong not to notify the authorities fearing negative publicity. With the election imminent, Yeon-hong decides to look for her daughter, but instead uncovers a twisted series of conspiracy, secrets, and lies surrounding Min-jin's disappearance.
40-year-old Sociology professor Hye-jung falls for a 21-year-old Usang, a male student who helps her project research on women's extramarital affair. Their prohibited love and secrets are watched and told by two secretive observers. They are her copy machine and his digital camera.
Daean School is a school of hope; however, in reality, its actually a place of despair where the students are treated like garbage. It's unbelievable but true. The teachers of Daean School are drowned in desire to an extent that they step on the students' dreams.
A group of people are drawn together to face the supernatural while they try to figure out a 60-year-old mystery.
Three highschool girls try to get money from their parents to help pay the hospital bills for a friend. They come up with a scheme where one of them pretends to be kidnapped in order to receive the ransom money. However, the plan is revealed and two of the girls are taken into police custody. When released, one of the girls jumps from the roof of the school out of shame and to call attention to the plight of their friend.
Jun-hyoung is a training teacher who meets Hye-na, a very outgoing student. She always acts freely with out any restriction. As time as goes by, she slowly starts to interfere in his life. Sun-shul, who is very lonely, loves Hye-na. Jun-hyoung feels that it's hard to put up with Hye-na, but his mentor insists and tells him to take care of her. Jun-hyoung does not understand and feels as though this situation in unfair for him. Soon after, he finds out Hye-na's secret...
In 1782, King Jeong-jo of Joseon asks detective K to investigate a series of murders related to a case of corruption within the government.
In a three-story villa in Seoul, a widow lives on the first floor, a student who works to feed the dog of a professor at his school who is away on work lives on the second floor and a woman who works at a karaoke bar lives on the third floor. The woman on the third floor comes home on her bike and takes a shower; this is where the movie begins.