One hundred years ago, a horrific mass murder resulted in the permanent closure of Hardstone Women's Prison. Now the prison is being re-opened, but as a new generation of prisoners arrive to fill the cells, something evil is waiting in the shadows. Amanda Weir doesn't remember killing her children. All she knows is that she woke up with their bloody bodies in her arms. Sentenced to life in prison, she arrives at Hardstone and tries to adjust to her...