Yoshino Michi is 32 years old. She's been married for five years, but hasn't had sex for the last two. It's not as if she doesn't get along with her husband, it's just that the sex part is lacking. It was a bit unexpected, but one night when she when drinking with her colleague, Niina Makoto, she wound up confessing that her marriage had turned sexless. And then, a shocked Niina responded "My marriage is sexless, too," and smiled with a lonely look in his eyes.
Kanzaki Miwa is married to Kanzaki Hiroki and is a full-time housewife. She used to work for a large company but made the difficult decision to quit her job and become a full-time housewife in hopes of having a child. But her marriage life isn't going very well as her love for her husband has cooled considerably. Hiroki acts like an ideal husband when around others, but he speaks harsh words to her when they are alone. She lives her days like a bird in a cage. One day, Miwa meets her childhood friend Fuyutsuki Ryo, whom she hasn't seen in years. Back then, Ryo was like a hero to her and loved by her. When she was in trouble, he always came and helped her. They make the fateful decision to spend the night together, and Miwa later finds out that she is pregnant with his child. She doesn't want to divorce her husband and become a single mom because she doesn't have a job. To protect her baby, she decides to tell her husband that she is pregnant with his child.
A man and a woman meet for the first time. The handsome stranger, asked her to spend one day with him. The woman has never taken a dangerous risk in her life. She has been with her lover for seven years and is going to get married next month. For the first time she will experience a level of excitement and intimacy, she has never experienced before with the man she met only today.
The story will focus on a love triangle between the three leads. Eikura plays the role of Morimoto Naoko, a girl from the countryside whose first love is her uncle, Ikezawa Masato. She follows after him to Tokyo by getting admitted into an elite medical university, but there she runs into Masato's girlfriend and colleague Aya, a beautiful and intelligent researcher who is the daughter of the university hospital's director. However, things get complicated after Naoko and Masato meet again.
20-year old Deok Yi’s quiet small-town life gets exciting when a former University Professor, Hak Kyu, moves in, running from the scandal of a sexual harassment allegation. He works as a literature instructor at a culture center and she works at an old amusement park. Mutual attraction leads the pair into a lusty affair, but when the fall semester begins, Hak Kyu is reinstated at the university and returns to his family in Seoul, leaving Deok Yi behind. She refuses to let the relationship die, and a confrontation between them turns tragic when Hak Kyu’s wife commits suicide. 8 years later, Hak Kyu is a popular writer, but he is barely able to see, losing his eyesight to a disease, and he's estranged from his daughter Cheong, who blames him for her mother's death. At this time, he befriends Se-Jung, a new neighbor who moves in next door. He gladly accepts her help and Cheong becomes romantically attached to her, neither realizing she is in fact Deok Yi, the woman Hak Kyu betrayed 8 years ago, now on a quest to destroy them. Her plan sets off a vengeance-fuelled chain of events that ultimately sets the three bitter, angry and desperate schemers on a twisting collision course with each other.
