Although at first unwillingly, Jo and Gong later become the best of sister/brother-in-law. They depend on each other for help, trouble, and fun. Oh Yuhn Soo, Jo's wife, is grateful at the happy relationship, but things go astray when Gong grows a greater affection for Jo. When Gong confesses her feelings for Jo, the two start to grow apart. Although they later end up in the same police department, they try hard to avoid eachother, and Oh starts to realize the reason why. Kim Rae Won is Gong's friend and the son of a rich hotel owner. Although he knows that Gong likes her brother-in-law, he never gives up his feelings for her. Things seem to turn out alright when Gong starts to date Kim and forget about Jo, but her sister Oh dies. The dangerous yet innocent love for her brother-in-law puts Gong in a terrible situation...how is love different in a family? The beginning of the drama, when Gong is a high school student, is very humorous. The drama is well-written, but if you don't like the unconventional idea of a sister-in-law liking her brother-in-law, you shouldn't watch this drama. Kim Rae Won is portrayed really well, and the character fits him perfectly! worth watching.

Fatal love strikes us out of a sudden and helplessly takes us deep down into the sea of fervor, giving us no choice but to yield. This drama beautifully unfolds the forbidden passion between a teacher and a student.

Chae Won (Kim Ha Neul) and Kwan Woo (Kim Jae Won) meet for the first time at a rural seaside village flower festival. They fall in love at first sight, not in their dreams have they known that Chae Won is the teacher at Kwan Woo's high school. The second time they meet is at the classroom where they realize the situation and become bewildered and embarrassed. The love story between the two young people is overlapped with Kwan Woo's tearful success story and this inspire the viewers with high emotion.

Jin Da Rae (Eugene) is the daughter of a female diver in Cheju Island. After her father mysteriously passes away she tries to uncover the truth about his death. One day she coincidentally saves Hyuk (Park Yong Ha) from torrent waters. Hyuk works for an orange farm opposed to his father's wish that Hyuk should take over his resort development business. Da Rae and Hyuk gradually fall in love. However, their love is put to a risky test after Hyuk's half-brother (Lee Dong Wook) also discovers his love for Da Rae. While all 3 of them get entangled in a complicated love triangle, Da Rae finds out that Hyuk is connected to her father's death.

Ho-Jung is a cute, naive girl who often falls head over heals with the wrong guys. Both Ho-Jung and Kyu-In, her neighbor, are idealistic about love. They start off on the wrong foot and treats each other as if they were siblings, constantly fighting. Ho-Jung's friend Cha Hee has a thing for Kyu-In and Ho-Jung later realizes that she too has feelings for him. Ho-Jae, Ho-Jung's brother, is a player, who has good physical features. Things start to get complicated for Ho-Jae when he falls for Ho-Jung's friend Soo-Ji, who does not have a physical appeal but has a good personality and intelligence.

Winter Sonata begins when Joon-sang (Bae Yong Jun) moves to a new high school in search for his biological father. Yu-jin (Choi Ji Woo) and Sang-hyuk (Park Yong Ha) have been close childhood friends; though Sang-hyuk wants to be more than a friend, Yu-jin sees him merely as a brother. On a trip together with some other high school mates, Oh Chelin (Park Sol Mi), Jin-suk (Lee Hye Eun) and Yong-kuk (Ryu Seung Soo), Yu-jin is saved after an accident by Joon-sang and after that they get to be really close and she opens up his cold heart. However, circumstances and fate dictate that their love will never be. He abruptly disappears from their lives.

Ten years later the old High School buddies get together to celebrate Yu-jin and Sang-hyuk's soon to be wedding. Yu-jin who was deeply in love with Joon-sang, still has this fire in her heart for him, even though he's been out of her life for a decade. But at this party Oh Chelin's new boyfriend arrives, and he looks just the same as Joon-sang. Could it be him or is Yu-jin only dreaming?

A story on how a righteous lawyer trying to set up his law firm with friends. Some may be harbouring different motives or reasons to help him out initially. They are influenced by him to take up worthwhile cases in the end.

Yoon Joon-suh (Song Seung Heon) and Yoon Eun-suh (Song Hye Gyo) always thought they were siblings. Eun-suh is in fact from a different family because she was switched at birth, but no one knows about this fact until one day, when Eun-suh is in a car accident. Her blood is tested only to discover that her blood type is completely different from her brother's proving that they are not related at all.