Chris O'Brien (Rory Cochrane) is a rookie and a devout Catholic who is looking forward to a respectable career in law enforcement. On his first day on the force he is partnered with the tough street-smart Nora Hugosian (Gina Gershon) who has the reputation of being the best with her ruthless but effective style. Working together investigating a serial killer O'Brien finds himself drawn to Hugosian. As evidence mounts and the number of bodies increases O'Brien is forced to realise that somebody very close to him could be the prime suspect...