A staircase leading to a schoolgirls' dormitory usually has 28 steps, but sometimes a 29th step appears. Any wish you make while standing on this step comes true, even if it must come true in the most horrific way possible.

Genres

Cast

Song Ji-hyo

Jin-sung

Park Han-byul

So-hee

Jo An

Hye-joo

Park Ji-yeon

Yoon-ji

Gong Sang-a

Kyung-jin

Moon Jeong-hee

Dance Teacher

Kwak Ji-min

Dance Class Junior

Hong Soo-ah

Sculpture Club Member

Lee Min-jung

Jin-sung's Ballet Dance Double