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

This is a very long and incredibly informative featurette that goes deep behind the scenes of Pascal Laugier's film. The French director explains how key scenes from the film were shot, what type of obstacles the tech team had to deal with. Furthermore, there is an abundance of raw footage that shows the two actors in action.