The story of King Geunchogo, warrior king of Baekje. Under his reign, the kingdom experienced its glory days, with military conquests that saw him controlling most of the Korean peninsula and a subsequent enhancement of political power that reached its greatest height in Baekje's history.

This drama will be about the growth and sufferings of the heart surgeons who work in the thoracic surgery department. Lee Eun Sung graduated from a newly established medical school in the provinces. He applies for a job at the hospital and has high hopes of becoming a great doctor. Nam Hye Suk graduated at top of her medical school. She is an absolute fundamentalist but starts to show her humane side once she gets to know Eun Sung. The problem is Choi Kang Gook just became the new head of the Department of Thoracic and Cardiovascular Surgery. He believes that only doctors can save people's lives and is a genius but he is also a stubborn surgeon who does not care for hospital policies. Only Eun Sung and Hye Suk apply to work in his department.

One day, a famous actor Lee Dong Gwon is admitted into the Hospital for arrhythmia surgery. He immediately falls for Hye Suk, who is his classmate from elementary school. He later gets jealous when he sees that Eun Sung and Hye Suk are getting closer to one another.

Lee Soo Ha, 38th granddaughter of the Jae Ahn Lee clan and owner of the clan manor Hwa Ahn Dang, is trying to save the place from going bankrupt. Hwang Dong Gyu, oldest grandson of the president of TOP Group, is trying to buy Hwa Ahn Dang because his grandfather, who was once a servant at the manor, cannot rest in peace unless he spends his last days in Hwa Ahn Dang's master suite. Hwang Chan Min, Dong Gyu's playboy cousin, is his rival in business and love. Enter Seo Hwa Ran, a model who has a secret history with and a secret plan for Hwa Ahn Dang (and Chan Min), and Lee Joon Yong, Soo Ha's brother and Chan Min's friend who can't forget a girl from Hwa Ahn Dang he knew when he was a kid...

This drama is adapted from the novel, "Kimchi Mandu."

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.