
Plot
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.
Trailer
Cast

Song Hye-kyo
Bae Soo-eun

Cha Tae-hyun
Kim Soo-ho

Lee Soon-jae
Kim Man-geum

Kim Hae-sook
Soo-ho's Mother

Song Chang-eui
Park Jong-goo

Moon Jeong-hee
Soon-im

Park Hyo-joon
Oh Sung-jin

Kim Shin-young
Soo-ho's Sister

Lee Moon-se
DJ

Kim Yun-seok
Biology Teacher

Kang Bo-min
Juliet