Dreaming of life in the city while caring for her alcoholic father and working in a 1960s boys' prison, a disturbed young woman is manipulated into committing a psychologically charged crime during the holiday season.

In 1960s Boston, Eileen shuffles between her emotionally haunted home and the prison where she works. When an intoxicating woman joins the prison staff, Eileen is taken but her newfound confidant entangles her in a shocking crime.