Su-jeong, who has dreamed of having a great relationship and wanted her first experience to be romantic, meets three men over the course of a year. Sang-cheol is obsessed with the idea of sleeping with her. Jeong-su looks considerate and innocent. Seok-tae randomly shows up once in a while and takes care of her. Among these three men, who will she have her thrilling first experience with?
Han-kyung a rustic girl, comes to town to live with her mom. Attracted to her pure charm, the most popular guys Hae-won and Tae-sung come up to fight each other. But Tae- sung has a fatal secret not to love her. Their sad love triangle makes everyone cry.
Hee-Ji (Jang Na-Ra) is a girl who isn't afraid to stand up against injustice. She goes to the Club Med's office after her friend is excluded from a party for single persons. Hee-Ji is about to tell them off when Club Med's director Hyun-Joon (Park Jeong-Cheol) appears in front of her. Hee-Ji falls in love immediately. Hee-Ji then sneaks into the hotel room where Hyun-Joon is staying and takes his diary. She now knows everything about him including his schedule and hobbies. Hyun-Joon is soon annoyed by the persistence of Hee-Ji, but he also begins to have feelings for her. At the moment when his fiance appears, Hee-Ji is about to propose.
