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.

23 years ago, Kang Eun Seol's father, Kang Jae Oh, stole the position of Lee Shin Jun's father. This led to Lee Shin Jun's father to commit suicide with his wife and son. Now 23 years later, Lee Shin Jun, also known as Chase, wants revenge and isn't going to stop until he gets it. He makes Kang Eun Seol fall for him, so that he can get to her father. But there is a twist, Lee Shin Jun has also fallen in love with Kang Eun Seol, but Lee Shin Jun's partner, Park Joo Won loves him too... Later Eun Seol finds out about Shin Jun's revenge plot against her father and she decides to get revenge on him for using her..

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.

The opening starts with the introduction of a genius. At 17, Tae Woong (Hyun Bin) meets two people who will later become people he loves. One becomes his best friend and the other, his love.

The guy he meets is Kim Jeong Kyu Lee Sun Ho also classified as a genius, and though at first they did not get along, they soon set aside their differences and became best friends. Jeong Kyu tells Tae Woong about a girl he admires and promises to introduce him to her. When Tae Woong asks him why Jeong Kyu won't ask the girl out himself, Jeong Kyu says that he doesn't have time if he wants to win the award in math for the Nobel Peace Prize; his dad's dream and his.

Tae Woong meets a little girl being bullied by older girls for her money and saves her. The girl develops a crush on him and gives him her beeper for future contact. She later contacts him and he finds out that she was running away from home, and for a day the two run away together to an amusement park. She gets into a cab to go home but reminds Tae Woong that he never found out her name.

Later on, Tae Woong and Jeong Kyu both enter an international math Olympiad that Jeong Kyu and his father want to win badly. When Tae Woong wins, Jeong Kyu commits suicide.

The following tragic events soon took its toll on the rest of Tae Woong's life, and forgets about ever set a date to meet the little girl. Then, for 8 years he struggled to carry on with his life.

At 25, Tae Woong is now a third class boxer and in unexpected events, finds Bo Ra (Sung Yu Ri), the little girl he once knew.

The tale continues into the world of the cold-hearted Bo Ra and it is only Tae Woong that could possibly melt her heart. It slowly unfolds many secrets along the way and the past is soon to be made right again. With the help of Tae Woong's love, Bo Ra learns to find happiness within herself, and in return, Tae Woong comes into terms with his past.

Although this winter will be very cold and scary, winter is not the end of the seasons, but the beginning of the hope for a greater love.

The opening starts with the introduction of a genius. At 17, Tae Woong (Hyun Bin) meets two people who will later become people he loves. One becomes his best friend and the other, his love.

The guy he meets is Kim Jeong Kyu Lee Sun Ho also classified as a genius, and though at first they did not get along, they soon set aside their differences and became best friends. Jeong Kyu tells Tae Woong about a girl he admires and promises to introduce him to her. When Tae Woong asks him why Jeong Kyu won't ask the girl out himself, Jeong Kyu says that he doesn't have time if he wants to win the award in math for the Nobel Peace Prize; his dad's dream and his.

Tae Woong meets a little girl being bullied by older girls for her money and saves her. The girl develops a crush on him and gives him her beeper for future contact. She later contacts him and he finds out that she was running away from home, and for a day the two run away together to an amusement park. She gets into a cab to go home but reminds Tae Woong that he never found out her name.

Later on, Tae Woong and Jeong Kyu both enter an international math Olympiad that Jeong Kyu and his father want to win badly. When Tae Woong wins, Jeong Kyu commits suicide.

The following tragic events soon took its toll on the rest of Tae Woong's life, and forgets about ever set a date to meet the little girl. Then, for 8 years he struggled to carry on with his life.

At 25, Tae Woong is now a third class boxer and in unexpected events, finds Bo Ra (Sung Yu Ri), the little girl he once knew.

The tale continues into the world of the cold-hearted Bo Ra and it is only Tae Woong that could possibly melt her heart. It slowly unfolds many secrets along the way and the past is soon to be made right again. With the help of Tae Woong's love, Bo Ra learns to find happiness within herself, and in return, Tae Woong comes into terms with his past.

Although this winter will be very cold and scary, winter is not the end of the seasons, but the beginning of the hope for a greater love.

Someday is about four different people's story about love.Hana Yamaguchi (Bae Doo-Na) was a successful young cartoonist in Japan. Abandoned by her parents and brought up by her grandma, she was cold and aloof and did not believe in love which to her was only a simple biological response. When the elderly neighbourhood street sweeper died, she discovered the affection between him and her neighbour which lasted 60 years. Hana could not understand this kind of love, so she decided to trace her neighbour's footstep to Korea when she disappeared with her lover's ashes.Go Jin Pyo (Kim Min Joon) was a doctor who was a comic book fan of Hana. He was overjoyed in meeting Hana and believed that he was in love for the first time in his life. He decided to help Hana in fulfilling her wish to look for her neighbour and enlisted the help of a private eye, Lee Seok Man (Lee Jin Wook).Lee was the sole survivor of a car accident whereby his parents and brother were killed. He carried a lot of guilt towards the parents of the other victim and did his best to help out even at the expense of owing money to the loan sharks.Hye Young (Oh Yoon Ah) was a PD of animation projects and a close friend of Jin Pyo. she didn't realize that she was in love with him till Hana appeared.In bringing her neighbour's love story to fruition and published in print, the process changed the lives and outlook on love for these four people.

This series is based on the 1987 American movie Overboard. Anna Jo (Han Ye Seul) is a rude, feisty, and audacious American-bred heiress who can never be satisfied. She returns to Korea only to continue being a controlling wife to her already cowardly husband, Billy Park (Kim Sung Min). When her yacht gets stuck for repairs, she hires local handyman Jang Chul Soo (Oh Ji Ho) to fix her shower, but when they have a heated spat over her dissatisfaction and non payment, she pushes him overboard and dunks his tools into the ocean right along with him. Later, after a quarrel with Billy that threatens to end their marriage, she herself gets drunkenly pitched overboard and falls victim to a bad case of amnesia.