Yoon-Jung accidentally calls a stranger, instead of her boyfriend, and has phone sex with the unknown man. When Yoon-Jung’s relationship with her boyfriend turns sour, Yoon-Jung meets Hyun-Seung, the stranger…

Ji Yeon is a beautiful university student, majoring in music. She is dating Dong Seok, but Dong Seok’s parents want him to study abroad. The day before he is scheduled…