Daniel J. Watts

Reese and Root's hunt for Shaw takes them to a small town in upstate New York where it becomes apparent that not everything is as idyllic as it seems. Also, Fusco teams with a former POI to tackle the newest number.

Erin is overwhelmed with guilt after a man she set free is accused of killing a cop. Also, Frank and Mayor Poole continue their game of political chicken over Frank's reappointment as commissioner, and Danny and Maria investigate a case of a cop who has gone AWOL.

The team must prevent a crooked DEA agent from selling stinger missiles to a drug cartel; Weller tries to keep the unit together under the pressure of Jane's conflict with the others, and the addition of Nas as co-leader.