Min Yoonji is a 27 years old woman, married to a business man called Park Jimin with who she has two kids with and is tired of how monotonous her life is. Min Yoongi is Yoonji’s twin who doesn’t have much money and really needs it to pay his mortgage. So when his sister forces him to replace her in exchange for money, he doesn’t have much of a choice but to accept.

Min Yoongi is a guy who dreams of becoming a music producer someday. To do so, he’s required to study performing arts in high school. Unfortunately for him, the school he is supposed to go to only has vacancy for a female student. Desperate to follow his dream, he disguises himself as a girl, Min Yoonji, and tries to go by unnoticed.  

Kim Seokjin is a gorgeous, rich and arrogant guy who treats everybody around him badly. Kim Namjoon is a poor plumber who counts every penny in order to give his nephew the best education possible. When Namjoon was called to change the shower on a yacht, he didn't expect much trouble...

Jeon Jungkook asks Jin's help to bake sugar cookies for his new favorite hyung....  

Yoongi was forced to dress as a bouquet girl for a wedding agency's commercial when he was 5 years old. Now, 15 years later, he is forced to remake that commercial, except that, now, he has to dress as the bride. There was a boy who carried the rings back then (Park Jimin) now, 15 years later, said boy is a well known actor whose first love was the bouquet girl from the commercial he worked on 15 years ago. Will is feelings remain the same if he finds out Yoongi is not a girl?  

 Jimin lists the ten times he thought Yoongi was going to kill him.

Kim Seokjin makes a list of all the things he hates about Namjoon.  

Taehyung is gay but makes sure no one around him knows, specially his best friend, Jungkook, with whom he's been in love ever since they met. Jungkook is an homophobic bastard who fails to notice his best friend's glances and gestures towards him. In Jungkook's 18th birthday, they get drunk and things happen. To Taehyung's surprise, Jungkook doesn't remember anything that happened at first...