Best friends Shin Young and Boo Ki are having trouble with their love lives. Da Jung, a former classmate, joins them as they try to conquer single-hood.
Stressed at work, Shin Young aggravates young musician Min Jae and paralyzes her own face, forcing her to seek out Ban Seok, an acupuncturist.
The three friends visit a love guru in the hopes of breaking their string of bad luck with men.
Min Jae makes a bet with Ban Seok that he can win over Shin Young and get her to date him.
Shin Young battles workplace politics with Min Jae's help, while Boo Ki confronts the wife of the man she's dating.
Ban Seok meets the girl of his dreams - in the form of Da Jung.
Boo Ki introduces the girls to Sang Mi, who quickly disapproves of Shin Young. Da Jung finds out something about Min Jae that quickly shatters Shin Young's dream.
Shin Young proposes to Sang Woo that they both get back together. Sang Mi rents out her son's apartment to none other than Sang Woo.
Shin Young and Min Jae begin their "ten day relationship."
Sang Woo falls more deeply in love with Sang Mi. Da Jung celebrates a birthday full of awkward and embarrassing moments.
Sang Mi wants Shin Young and Min Jae to break up, while Da Jung and Ban Seok come up with a plan to win over his father.
Everyone's relationships are revealed at Da Jung and Ban Seok's wedding.
Da Jung and Ban Seok's honeymoon goes awry. Min Jae has to deal with his conflicted feelings towards his mother's new boyfriend.
Complications arise with Shin Young and Min Jae's new living arrangements.
Sang Mi gets a taste of her own medicine when she meets Sang Woo's mother. Shin Young receives an overseas offer that threatens her relationship with Min Jae.
Da Jung and Ban Seok work on their marriage. Shin Young's decision takes a toll on Min Jae.
