Martyrs

A young woman's quest for revenge against the people who kidnapped and tormented her as a child leads her and a friend, who is also a victim of child abuse, on a terrifying journey into a living hell of depravity.

Martyrs is a 2008 horror movie directed by Pascal Laugier, starring Catherine Bégin, Robert Toupin, Mylène Jampanoï. It holds an IMDb rating of 7.0/10 from 120,785 votes and runs 1h 39m.