On a dark, deserted street a half naked, visibly abused girl runs screaming. Bruised, bloody and suffering from dementia she is eventually rescued by the local police. Her name is Lucie and she's been missing for over a year but refuses to give away any information describing her captors or any details concerning her violent abduction. During an intensive investigation the police eventually discover an abandoned slaughterhouse containing what looks like a torture chamber. But what exactly took place and how Lucie managed to escape remains a mystery. Many years after the horrific incident a seemingly normal family have an unexpected guest during breakfast. Their surprise visitor is a distraught young woman carrying a loaded shotgun, intent on revenge