The Nun

Years ago, a cruel and merciless nun turned boarding school into a living hell for her students until they could no longer bear the abuse, and she mysteriously disappeared. Now the alumnae are being brutally murdered one by one.

The Nun is a 2005 drama horror movie directed by Luis de la Madrid, starring Belén Blanco, Manu Fullola, Aníta Briem. It holds an IMDb rating of 4.1/10 from 3,689 votes and runs 1h 41m.