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 to leave South Korea to study abroad, he prepares a proposal event for Ji Yeon. Ji Yeon does not appear at the event.
Yoon Jung llama accidentalmente a un extraño en lugar de su novio con el que termina teniendo sexo telefónico. Cuando la relación con su pareja entra en crisis, decide llamar de nuevo a este hombre que no conoce.
