A tragic love story between the daughter of Prince Suyang and grandson of Kim Jong Seo.

Cha Kang Jin is the son of barmaid, Cha Chun Hee. His life is difficult as he gets into fights and has to watch other people push his mother around yet he can't do anything to stop it. He meets Han Ji Wan when they were teens but they weren't able to continue their relationship as Ji Wan ran away after her older brother's death. He meets Ji Wan 8 years later when he's attending her engagement ceremony to Park Tae Joon. However, he is heartbroken as Ji Wan pretends to not remember him at all.

Jin Joo is a half Korean and Vietnamese girl who marries a Korean man, Kang Jun Woo, in order to come to Korea to look for her biological father who abandoned her. The drama is not only about her searching for her dad but also about the cultural differences between her and her husband's family. There is bad blood between the two families, Kim and Kang. The rivalry is even more fueled since Ji Young is still in love with her ex-boyfriend, Jun Woo, even though she is married to Young Min. Kang Sae Mi is Jun Woo's sister and Kim Young Soo is Young Min's younger brother. They want to get married but both families oppose their marriage which leads to the two young lovers living together and expecting a baby out of wedlock. Kang Won Mi is the thoughtless, old maid elder sister of Jun Woo.