Oh Dal Ja is 33 years old and she is an MD of a home shopping channel. She has a "love contract" with Kang Tae Bong, a 27 year old freelancer of a playmate enterprise. The story also revolves around Dal Ja's life with three men. Wee Sun Joo is a divorcee who is an expert on love and faces life with positive thinking.

Suk Ji Soo is a kindhearted and thoughtful woman caring about the harmony of her family. Park Hae Jin struggles through many troubles and forgivness within his family. He doesn’t really like his father because he was born due to his father’s affair with another woman. Ji Soo and Hae Jin’s family in this drama are complete opposites…her family is happy while his family is not. Eun Ha is a girl with a cheerful personality and perfect skin with no wrinkles. She thinks importantly of people’s relationships and puts much effort into everything she does to make her family happy. The drama will be focusing on different family problems faced in modern day society.

Bong Dal Hee (Lee Yo Won) is a first year resident doctor who strives to become a surgeon despite her heart problem. She works under Dr. Ahn Jong Geun (Lee Bum Soo), a cardiac specialist, and even though they don't get off to a good start, the two grow fond of each other as time goes by. Dr. Lee Geon Wook (Kim Min Joon) divorced his wife, Dr. Jo Moon Kyung (Oh Yoon Ah), after he found out that his 6-year-old son was actually fathered by another man before they married. He still has feelings for her, but feels betrayed and cheated. This medical drama portrays the lives of resident doctors, their ups and downs, depicting crisis in a hospital as well as politics among its management staff.

A fate that surpasses taboo, a love that surpasses morality...

Hyun Ji-seok (Kang Ji Hwan) is at the peak of his life at thirty-one year old he is fated to leave this earth in three short months. he is married to Park Jung-ran (Jung Hye Young), but it's not shes not his true love. The one and only thing this man wishes for is to find his one true love and spend the remaining 90 day's that he has left with her.

Hyun Ji-seok was fated to meet Mi-yeon (Kim Ha Neul) but their hearts were destined to be broken in the end. Through an unexpected turn of events, Mi-yeon turns out to be his his first cousin. They are now desperately pleading for 90 days in which to love each other for the last time on earth.

Will their love be able to overcome the harsh realities of society?

Kang Jae is a wealthy businessman and gangster and Mi Joo is a plastic surgeon. These two meet after Mi Joo mistakens Kang Jae as being her sleazy brother-in-law. Kang Jae just happens to be the boyfriend of Mi Joo's pregnant neighbor, Yoo Jin. Sae-yeon meets Mi-Joo and falls in love with her feisty attitude. Kang-Jae works for the father of Sae-Yeon who is a gangster. Mi-Joo and Kang-Jae fall in love.

Yoo Sun (Yoon Son Ha) is an aspiring chef with a rare disease that will eventually make her blind. To make matters worse, she does not get along with her boss, Kim Tae Bin (Kim Sang Kyung). Ironically, the two of them eventually fall in love!

As Sun and Tae Bin enter a relationship, a dramatic love triangle unfolds: Tae Bin’s best friend Suh In Ha (Park Yong Ha) has a crush on Sun, while In Ha’s sister, Suh Ji Ho (Chae Jung Ahn), has a crush on Tae Bin! When Tae Bin learns of Sun’s disease their relationship begins to deteriorate. Tae Bin has difficulty accepting Sun’s condition, while Sun has difficulty accepting Tae Bin’s pity. Will Sun and Tae Bin be able to work things out? Or will In Ha and Ji Ho be able to step out of the love triangle victorious?

The drama portrays affection and conflict between a mother (Kim Hee Ae) and her only daughter (Go Ah Ra). Kim Ki Bum, a member of the idol group Super Junior,will play the role of the boyfriend of Go's character.

Kim Hee Ae (the mom): was a poor but smart woman, and when she was younger she met Lee Jae Ryong's character and they fell in love. They got married and she had a daughter. She later finds out that her husband has a wife and two children back in Japan. So, she divorces him and has custody of her daughter. Later, she becomes a writer of a best seller novel and achieves a lot of fame and wealth. Because she's so busy, her mother takes care of her daughter, and the daughter feels closer to her grandmother rather than her own mother. The mom has a boyfriend who is a romanticist, and though they're going out, he doesn't want to get married and she's fine with that. Suddenly, her kind and obedient daughter turns against her and they begin to form a sort of rivalry/war.

Go Ara (the daughter): She forgets about her father and cannot even recall what his face looked like, but one day, she accidentally interferes with a phone call from him that was meant for her mother. She's shocked because her mother lied about what truly happened to her father, and becomes angry at her mother. She gives up college and for no reason, decides she's going to become an actress. By chance, she's casted in a movie that is based on her mother's bestseller. To anger her mother, she goes out with her boss, Han In Chan (Kibum's half brother) and becomes the queen of scandals. When she goes to see her father, she is disappointed to see him so well off, unable to understand his reason for not being there as she was growing up.

Lee Jae Ryong (the dad): Married Kim Hee Ae and had a daughter, Go Ara. Got divorced once she found out he had another wife and children. Was unable to see Go Ara until she was older because the mother cut off all contact with him. Is shocked when Ara comes to Japan to see him without notice.

In Chan (kibum's half brother and ara's boss): inherited his father's movie business. A player. Uses Ara as revenge for some SooJin girl.

Kibum (Young Chan-- Ara's sunbae): a photographer. Tough guy. Decided to follow his own path of life rather than follow the family business. Likes Ara, but when his confession to Ara turns away, Ara begins to see Kibum as annoying. Ara thinks he only likes her due to the rivalry he has with his brother, so she does not like him. But even still, Kibum still sticks by her and loves her.