Su-ho is a plain high school boy, and Su-eun is a bright and beautiful girl in the same school. For some unknown reason, Su-eun has a crush on the boy, and for equally mysterious reasons she rescues Su-ho in the sea though he doesn't know who actually saved him.
송혜교
as Bae Soo-eun
차태현
as Kim Soo-ho
이순재
as Kim Man-geum
김해숙
as Soo-ho's Mother
송창의
as Park Jong-goo
문정희
as Soon-im
박효준
as Oh Sung-jin
김신영
as Soo-ho's Sister
이문세
as DJ
김윤석
as Biology Teacher
Kang Bo-min
as Juliet
