The Stairs is excellent movie from 2021. I will grant that my expectations were very low before watching The Stairs. Before you read this review and before I spoil you the story, watch the movie, I highly recommend it. Anyway, Horror may boast of one of the biggest numbers of good movies. What determines the phenomenon of this movie? It's realism, taking care of psychological probability?. It's a movie for everyone, I'm sure you'll like it after watching.