Nonton Whispering Corridors 3: Wishing Stairs (Yeogo goedam 3: Yeowoo gyedan) (2003) Sub Indo
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.
