

The leading lady is also in this in a supportingrole. .
Lee Sang Tae, a widower for five years, lives with his two children and supportive parents-in-law. He works as a marketing team leader at a fashion brand, never expecting to fall in love again. Ahn Mi Jeong, an assistant manager at the same company, has been raising her three children alone since her husband left her for an affair. She lies to her children, telling them their father moved to America. As Lee and Ahn begin to find love again, their journey is complicated by the challenges of blending their families.
Lee Sang Tae, a widower for five years, lives with his two children and supportive parents-in-law. He works as a marketing team leader at a fashion brand, never expecting to fall in love again. Ahn Mi Jeong, an assistant manager at the same company, has been raising her three children alone since her husband left her for an affair. She lies to her children, telling them their father moved to America. As Lee and Ahn begin to find love again, their journey is complicated by the challenges of blending their families.

Same leading lady
Yoon Ye Eun's husband of 7 years has a profitable business and they move into a new house. Then, she finds out about his affair. Her sister Yoon Sang Eun is in debt and runs a piano institute. She meets someone through a matchmaking agency and considers entering a contract marriage to pay off her debts.
Yoon Ye Eun's husband of 7 years has a profitable business and they move into a new house. Then, she finds out about his affair. Her sister Yoon Sang Eun is in debt and runs a piano institute. She meets someone through a matchmaking agency and considers entering a contract marriage to pay off her debts.

Same leading lady.
Hae Jin is 36-years-old. She is married to Jin Sang, who is 6 years younger than her, and they have a daughter Yoo Ri. Hae Jin runs a restaurant that she took over from her father-in-law. She supported her husband Jin Sang while he studied to enter a university. Because of Hae Jin, Jin Sang is now attending a prestigious university, but he has an affair with Joo Ri. She is the young daughter of a rich family. Hae Jin becomes aware of her husband's affair, but she doesn't want a divorce. Meanwhile, Dae Gu appears in front of Hae Jin. Dae Gu is a drama series writer. He was once in demand for his screenwriting, but his popularity has waned. His marriage life is not doing well either.
Hae Jin is 36-years-old. She is married to Jin Sang, who is 6 years younger than her, and they have a daughter Yoo Ri. Hae Jin runs a restaurant that she took over from her father-in-law. She supported her husband Jin Sang while he studied to enter a university. Because of Hae Jin, Jin Sang is now attending a prestigious university, but he has an affair with Joo Ri. She is the young daughter of a rich family. Hae Jin becomes aware of her husband's affair, but she doesn't want a divorce. Meanwhile, Dae Gu appears in front of Hae Jin. Dae Gu is a drama series writer. He was once in demand for his screenwriting, but his popularity has waned. His marriage life is not doing well either.

Same leading man
Han Ji Sub, a man who’s never felt happy in his life, almost escapes his miserable life against all odds, thanks to his iron will and hard work. However, when his mother’s mistake makes all his attempts come to naught, he’s devastated. Still, he has love of Seo Ra, a warmhearted girl whose life goal is to help others. As their fate becomes intertwined with that of Hae Rim, who gained love at the expense of her sister, and of Jae Wook, whose greed knows no end, each person’s secrets and hidden desires come afloat.
Han Ji Sub, a man who’s never felt happy in his life, almost escapes his miserable life against all odds, thanks to his iron will and hard work. However, when his mother’s mistake makes all his attempts come to naught, he’s devastated. Still, he has love of Seo Ra, a warmhearted girl whose life goal is to help others. As their fate becomes intertwined with that of Hae Rim, who gained love at the expense of her sister, and of Jae Wook, whose greed knows no end, each person’s secrets and hidden desires come afloat.

Leading man is in a support roll. This has a great ost.
Lee Sin is a university student majoring in modern music. He is the vocalist of the band "The Stupid" and also plays the guitar. He is known for his good looks and his strong passion for music but is, in reality, a cold person who is uninterested in non-music-related things and has no dreams or plans for the future. Sin initially likes a dance professor at his university, but this all changes when he meets Lee Gyu Won. Lee Gyu Won is a bright and outgoing student who was born into a prestigious family and is majoring in traditional Korean instruments, especially the gayageum. Gyu Won's grandfather, Lee Dong Gun, is one of the top 3 traditional musicians of his age, and his biggest wish is to have his granddaughter trained to become a traditional music prodigy in 10 years' time. Trying to live up to her grandfather's expectations, Gyu Won immerses herself in training and becomes a university student who knows nothing besides traditional music. As Gyu Won's friends are fans of "The Stupid", she was forced to go to the band's concert with them. There, she sees Lee Sin performing live and is immediately captivated by him.
Lee Sin is a university student majoring in modern music. He is the vocalist of the band "The Stupid" and also plays the guitar. He is known for his good looks and his strong passion for music but is, in reality, a cold person who is uninterested in non-music-related things and has no dreams or plans for the future. Sin initially likes a dance professor at his university, but this all changes when he meets Lee Gyu Won. Lee Gyu Won is a bright and outgoing student who was born into a prestigious family and is majoring in traditional Korean instruments, especially the gayageum. Gyu Won's grandfather, Lee Dong Gun, is one of the top 3 traditional musicians of his age, and his biggest wish is to have his granddaughter trained to become a traditional music prodigy in 10 years' time. Trying to live up to her grandfather's expectations, Gyu Won immerses herself in training and becomes a university student who knows nothing besides traditional music. As Gyu Won's friends are fans of "The Stupid", she was forced to go to the band's concert with them. There, she sees Lee Sin performing live and is immediately captivated by him.