"Did you husband find out? Are you alright?" "I don't care. I just want to do this all day". Ga-hee appeared in front of Seong-min who was bored running a book store after retiring. Ga-hee runs a ballet school and wasn't on very good terms with her husband, which led to her and Seong-min falling madly in love together. They know they shouldn't be together, but that's what makes everything even better. Later on, their love reaches the point of destruction...

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.