6 young girls and boys reveal their most thrilling moment; college student Ji-hoon plays drinking bout with his female friends. Dong-geon's first experience at emergency stairs. Young-jae bets on undressing while playing Jenga with his sister's friend. Young-tak visits his girlfriend's house while her parents are out. Jung-woo decides to go to Motel with his old female friend. Jin-seok goes to theater with his tutor, but it's not to watch a movie.

Three friends in their twenties struggle with their attitudes towards men. Hyo Rin believes in free sex, Yi An believes in keeping her virginity, and Yoo Jin is popular amongst the men, but after having been raped when she was young, she likes women more. The three go to Kangwondo on a trip and seek their sexual fantasies, releasing their inner desires.