Park Yong Ha portrays man who once had it all. A scam ruined his family and his father's company went bankrupt because of him. He wants revenge against those who made his life a living hell. Park Si Yeon is his girlfriend who works diligently in order to help him repay his debts.

This new drama is about the behind the scenes of TV drama production. It also portrays how the whole production team and performers complete a project in a tight schedule and as well as how actors, actresses, and entertainment agencies handle rumors surrounding them. Jang Ki Joon is a manager who is in charge of the activities of many famous actors and actresses and one of them is Oh Seung Ah who is a rising actress. Lee Kyung Min is a drama PD, and Seo Young Eun is a script writer with a young son.

Yoo Sun (Yoon Son Ha) is an aspiring chef with a rare disease that will eventually make her blind. To make matters worse, she does not get along with her boss, Kim Tae Bin (Kim Sang Kyung). Ironically, the two of them eventually fall in love!

As Sun and Tae Bin enter a relationship, a dramatic love triangle unfolds: Tae Bin’s best friend Suh In Ha (Park Yong Ha) has a crush on Sun, while In Ha’s sister, Suh Ji Ho (Chae Jung Ahn), has a crush on Tae Bin! When Tae Bin learns of Sun’s disease their relationship begins to deteriorate. Tae Bin has difficulty accepting Sun’s condition, while Sun has difficulty accepting Tae Bin’s pity. Will Sun and Tae Bin be able to work things out? Or will In Ha and Ji Ho be able to step out of the love triangle victorious?

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.

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?