Overview

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.

Details

Cast

Song Ji-hyo

Park Han-byul

Jo An

Park Ji-yeon

Gong Sang-a

Lee Mi-yeon

Moon Jeong-hee

Kwak Ji-min

Joo Eun

Hong Soo-ah