A story of five female college students with vastly different personalities, who share a house called the Belle Epoque.

Kang Hyun Ho (Park Gyu Young) has never had a boyfriend in her life. She begins swimming lessons at a sports center. There, she develops a crush on Jo Woo Jin (Jung Gun Joo). Meanwhile, Han Yoo Ra (Yoon Park) is Kang Hyun Ho's swimming instructor. He develops feelings for…

Yoon Jin Ah (Son Ye Jin) is a single woman in her 30s who works as a store supervisor in a coffee shop. Despite being an easygoing person, she lives a rather empty life. She suddenly feels romantic feelings towards her best friend's younger brother, Seo Joon Hee (Jung Hae…

Kwon Shi Hyun (Woo Do Hwan) bets his life on a dangerous game to seduce Eun Tae Hee (Joy). His target is 20-years-old and believes people that are swayed by love are pathetic. After Eun Tae Hee meets Kwon Shi Hyun, her view on love changes.