With Friends Like These

Erin attempts to convict a mob boss for a decades-old murder, but her former witness Vincent (see episode 5x15 "Powers Players") comes out of witness protection to provide an alibi for his former employer. After expressing her disappointment she is told that the true killer is a cop, and uses him as bait to catch them. Jamie and Eddie come across a young woman who is schizophrenic, and has been unable to get psychiatric help due to budget cuts. He manages to pull some strings to get her the help she deserves, but later is informed that she committed suicide. This leads to him suggesting the NYPD created a psychiatric advisal group. Frank is in hot water with the fire department after a group of firefighters and group of cops get into a brawl in Linda's emergency room. Frank tries to create a resolution, but the FDNY commissioner's stubbornness and dislike of him prevents this from happening. When firefighter interference gets an officer shot during a narcotics takedown, the P.C. decides to settle the dispute once and for all.