In the Baekje era, the last daughter Hwapyeong Princess of the late king who was perfect in nature, wisdom and knowledge, is shocked when her husband leaves her and she decides to lose weight. This drama shows how her efforts changed her into a beautiful lady.

Han Sang Eun moved to Australia when she was a teenager. Years later she goes back to Korea with her American boyfriend. Her family, however, has their hopes set on her marrying a nice, Korean boy. They do everything in their power to make her fall in love with Kim Yeo Joon.

Song Na Young and her husband, Jung Sung Min, desperately want a child but her husband is unable to get her pregnant. Her husband's friends decide to help them. But Na Young suddenly loses her husband in an accident and she gives birth to her daughter but does not know which of her husband's friends fathered her child. The father of Na Young's child can either be Han Soo Hyun, Choi Kwang Hee, or Hwang Kyung Tae.

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.

Han Seung-wan (Kim Jae Won) leaves for Singapore to surprise his girlfried on her birthday, and Jung Se-jin (Eugene) is on the same flight to say farewell to her deceased "first love" who died in Singapore. When literally bumping into each other at the airport, they accidentally take each other's passports. They meet again and Seung-wan and Se-jin end up spending the day together. Se-jin knows about his girlfriend, who is two timing Seung-Wan with Min Do-Hyuk (Lee Ji Hoon). Partially to help Seung-Wan avoid from discovering the truth, Se-Jin spends the rest of her time with him. They both get drunk out of sadness of their loves, and end up sleeping together. Back in Korea, Se-jin discovers she is pregnant. She leaves to have the baby alone. A series of events happens for about a year, and Se-Jin's clueless sister ends up spilling the secret to Seung-Wan at this engagement party, showing up with Han Shin-Bi (Jung Da Bin), his daughter, without Se-Jin. Seung-wan's life is forced to face fatherhood and the anger of his two-timing girlfriend - Lee Chae-young (Han Eun Jung). Se-jin reappears as they are forced to marry by their respective families. Complicated love takes place, as Do-Hyuk starts to fall for Se-Jin, and so does Seung-Wan, though Se-Jin is more focused on her loving daughter, as something surprising happens to her. The rest of the story revolves around the family's journey in learning to take responsibility, and learning to love each other.

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.