Choi Gi Chan is an University Botanic Professor with the "perfect genes." The drama is about an editor of a fashion magazine, Kim Dang Ja, who suddenly develops an urge to have her own baby despite opposing the idea of marriage. The story will talk about Dang Ja striving to look for a man with perfect genes to accomplish her mission. Gi Chan happens to be her "target" in order for her to accomplish her mission. The story later develops as Dang Ja must persuade him to do it without any commitments, which is a problem because Gi Chan doesn't believe in the idea of sex before marriage.

Na Yu Kyung is the owner of a book store and she is also a lobbyist. This drama is based on the novel “Sad Story of the Capital (경성애사, 京城哀史)” written by Lee Sun Mi (이선미). It portrays a love story that happened in the 1930s. Sun Woo Wan is the youngest son of a rich and famous family and he is involved in the independence movement. Lee Soo Hyun is a Chosun person, who rises amongst the ranks of the government and Cha Song Joo is a famous bar hostess in one of the top class restaurants.

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.

Jo Dong Hyuk will be playing a 27 year old single with a six year old son who falls for Choo Sang Mi, a thirty-three year old divorcee. Her husband cheated on her and she suffers from the pain of losing their son in a car accident 3 years ago. This drama is about how the two meet and through a child they heal each other wounds.

Han Do Kyung, specially scouted by the Incheon Airport Director, willingly accepted 1/3 of the pay she was receiving when working in Singapore to come back to Korea as the chief of operations of Incheon Airport. She speaks five different languages. However, Do Kyung lives with an uneven wound of her family and a regret of leaving her sister behind. She met Kim Ji Sung, a National Intelligence Service agent and gets entangle with him. Kim Ji Sung is very passionate about his work to the extend that he is willing to bend the rules to ensure the security of the country even if he is only acting on his instincts. After being stationed at the airport, he finds himself in an emotional turmoil with a woman he used to love who is also working in the airport. At the same time, he is falling for Han Do Kyung. Kang Ha Joon, a childhood friend of Han Do Kyung is also falling for Do Kyung. Kang Ha Joon is a quick tempered with a habit of talking aggresively due to his nature of work watching over thousands of surveilance cameras in the airport but has good relations with all the airport employees even the cleaners because of his kind personality outside of work. As his friendship develops with Do Kyung, he becomes a strong source of refuge for her. But as his feelings for her grows, his relationship gets more and more complicated with a woman who is his friend, superior at workplace and unrequited love.

Na hana loves money more than anything. she left her home town for seoul. She decided that the only way she could be with money is to marry a rich man who will die soon. She soon meets yoon ho sang, a young man who is a poor, troublemaker, and also loves money, but is in diguise of a very rich man who died. these two meet and soon love sparks but yoon ho sang has a serious cancer problem which he first lied to a man who he owes money to.

Geum Na Ra (Park Shin Yang) is a ruthless private moneylender. Seo Joo Hee (Park Jin Hee) is a righteous woman. When problems with her family's debts arise, Joo Hee was supposed to marry a divorced man to solve her family's financial problems. But on the day of the wedding, Geum Na Ra shows up to collect the debts and ends up ruining her plans. Joo Hee vows to take her revenge on him but she falls in love with him instead. Ha Woo Sung (Shin Dong Wook), also a moneylender, is a handsome young man who seem to have no worries in life. He and Geum Na Ra are rivals, in business and in love. Lee Cha Yeon (Kim Jung Hwa) is a money banker.