Young Young-ho
Young-ho doesn't have any dreams for his life. He has been studying for three years to enter a university. He decides to send a letter to his childhood friend So-yeon. But her younger sister So-hee receives the letter instead of her sick sister. So-hee writes back to Young-ho, pretending to be So-yeon. Meanwhile, So-hee takes care of her sick sister and also runs a secondhand bookstore with her mother.
Jang Won-seok
Una oportunidad única se presenta en la vida de Jang, el actor al que han otorgado el papel protagonista de la última película de Park, un reconocido director del mundo del cine surcoreano. Sin saberlo, la vida de Jang está a punto de cambiar para siempre.
