Just back from her second tour in Afghanistan, NYPD Detective Chiara Corelli goes undercover to expose a ring of dirty cops. But when she's ordered to kill to prove her loyalty, she aborts the operation without having identified the leaders. Now, Corelli is the one exposed. With her brothers and sisters in blue ostracizing her, can she trust Detective P.J. Parker to watch her back? Parker is the daughter of a vehement critic of the NYPD. But...