The death of a young heroin dealer causes no great concern for NYPD Detective Frank Parrish - Danny Lange is just another casualty of the drug war. But when Danny's teenage sister winds up dead, questions are raised that have no clear answers. Parrish, already under investigation by Internal Affairs for repeatedly challenging his superiors, is committed to daily interviews with a Police Department counsellor. As the homicides continue - and a disturbing pattern emerges - Frank tries desperately to make some sense of the deaths, while battling with his own demons.