Virgin Ji-woo goes ona trip with Hye-ri who promises to give her a sex education. Ji-woo's mission is to sleep with a man she meets on vacation.

Choong-heon, who is about to leave for the army soon, drinks away his sorrows with Geon-woo. On the way home, he finds Jeong-in, who is sleeping on the street, and takes her back to his house. The next day, she thanks Choong-heon and buys him breakfast. Then she tells him what happened. Apparently, she passed out after drinking out of anger for her friends teasing her that she's a virgin, and she asks Choong-heon to be her first experience after all he's done for her.

Aspiring scenario writer Yeon-hee uses the nickname Pink Band to write R-rated scenarios. She's famous for her far-out work. Her ideas come from her best friend Joo-yeong's sex experience. However, Yeon-hee herself is a virgin, so she dreams of a romantic and ecstatic first sex that is unlike her scenarios.