Yeo Bong Soon (Eugene) leaves her mountain village and comes to Seoul to live and look for her parents after her foster 'grandmother' passes away. She finds a job as an assistant cook at the President's Blue House canteen and later, in the Blue House kitchen. She falls for Jang Joon Won (Ryu Jin), the President's son, a highly intellectual doctor; however, he is married with a five-year-old daughter. His wife is suffering from dementia. As Bong Soon finds herself falling in love with Joon Won, a love triangle builds up when Bong Ki (Lee Min Ki), the President's family's bodyguard, starts to fall for the hillbilly Bong Soon! The drama explores about how Bong Ki gets in touch with his own feelings and how Bong Song's generosity makes the men fall for her.

"Sodongyo" is said to be one of Korea's oldest folk songs. According to Samgukyusa (The Memorabilia of the Three Kingdoms) from the Silla Kingdom, the song was written by Sodong, a commoner from the Paekche Kingdom. Hearing that Princess Sonhwa, a daughter of King Chinpyong of the Silla Kingdom was beautiful, he writes a song saying that the princess visits Sodong's room every night and spreads the song around. When her father hears the song, he condemns the princess to exile. Sodong picks her up and takes her to Paekche, and they become the royal couple of the country.

Gina (Hyo Ri) is a welder in a steel mill with a felony wrap behind her. With her tag as an ex-felon, she struggles to maintain any semblance of average normal life of an everyday civilian. This is a story about her trials and tribulations and how she deals with the obstacles that are thrown at her all the while maintaining a chaotic relationship with her rebellious boyfriend...

Oh Pil Seung is a free-spirited, but somewhat lazy regular joe who suddenly finds himself heir apparent to a top-level logistics company! With rivals and detractors simply waiting for him to foul up, will Pil Seung be able to rise to the challenge? Or will white-collar intellectuals and their snobby ways force this blue-collar everyman out?

Yoo Min-woo's (Song Seung Heon) first love was Soh Eun-hye (Shin Ae). No love was greater than the love between these two...until Eun-hye get's into a car accident. Eun-hye dies...leaving one thing left behind...her heart. Shim Hye-won (Son Yeh Jin) has suffered from a terrible heart disease ever since childhood. Miraculously she finds that she will be obtaining a heart from a donor, Soh Eun-hye.

Suffering from the pain of a heartache, Min-woo goes to Paris to study...the memories of Eun-hye still rest in his heart. When he returns to Korea, fate takes a turn and brings Hye-won and Min-woo together. When the two first meet, Hye-won's heart (Eun-hye's heart), oddly beats faster when she is around Min-woo.

Park Jung-jae (Ryu Jin) is Hye-won's boyfriend. Park Jung-ah (Han Ji Hye) is Jung-jae's sister and she meets Min-woo in Italy and falls for him...

Hye-won doesn't know why or what she feels when she's with Min-woo...and Min-woo feels guilt toward Eun-hye, because the feeling of love rises once again as he continues to see Hye-won...