Joe Avellar

After a woman voices her outrage regarding the NYPD's inability to find her son's murderer, Danny reexamines the case.

When a key witness in Danny's case is killed just before testifying, Erin angers Danny by enlisting Anthony to help find the killer.

Frank must deal with public outrage after an officer who was involved in a controversial shooting is acquitted.

Danny tracks the distributor of a new, deadly type of heroin. Frank does everything he can to help Danny get the drug off the streets.

Jamie and Frank clash over how to proceed when two rookies are targeted by rowdy teens. Meanwhile, Erin is forced to own up to her mistakes.

Jackie goes through detox at home with help from her friends; a dream patient exposes a great fear; Frank objects to Grace's moving back home.