The lost girls, suspicious school, and abnormal changes...
A sickly girl Ju-ran transfers to a new sanitorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She suspects the school for what's happening and tries to discover what secret is hidden.
TMDB audience score
Based on 180 votes
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Availability in the UK
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UK only · Refreshed 11 Oct 2026.
MyCinema quick facts
Worked out from the film's TMDB record and its United Kingdom provider listings. These are facts about the data, not a review.
Standard length · 1h 39m
At 1h 39m it sits between 90 minutes and two hours.
Horror · Thriller · Mystery
TMDB files it under horror, thriller, and mystery.
2 subscriptions · 1 to rent · 1 to buy
Included with 2 subscription services: Amazon Prime Video and Amazon Prime Video with Ads. Listed to rent from 1 store. Listed to buy from 1 store.
6.5 / 10 on TMDB
TMDB users rate it 6.5 out of 10 across 180 votes, a positive audience score. That is a moderate sample of voters.
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