When an unidentified woman is found brutally murdered, Detective Molly McGee teams up with fellow cop, Alex O'Connell, with whom she shares a tragic past, to solve the crime.

Unorthodox but troubled cop Molly McGee leads an investigation into the murder of an unidentified woman. To solve the case, Molly has to team up with Alex O'Connell - a man she hasn't spoken to in twenty years - and they discover that the murder has links to a historic cold case and unnatural circumstances. What begins as a routine investigation exposes something more insidious, and to catch the killer, Molly and Alex have to face the ghosts of their past.