The misterious dissappearance of female inmates from a French prison awakens a reporters curiosity. She becomes an inmate herself to investigate. Once inside and in prison garb, she falls prey to a range of sexual abuse. Wardens and director alike take every opportunity to live out their depraved sexual fantasies. And it doesn't stop there, the male inmates have an urge to bang in their tight, damp cells too. Will our brave journalist manage to escape and tell her story?