A young man emerges from a car crash on a remote road in Boston. Although he walks away unscathed the crash has claimed an innocent life.

Sixteen years later Melanie Yeats walks into a Garda station with her hands stained in blood. As she gradually reveals her story the detectives are left with more questions than answers.

What is the connection between Melanie, her missing husband, the car crash in Boston and the death of a young woman? is Melanie a murderer or a victim? Whose blood is on her hands? Where will her story lead them?