601: Worst Case Scenario
602: Absolute Power
Danny and Baez investigate a possible serial killer who sends a chilling message to Danny, and Erin toys with the idea of applying for a judgeship. Also, Frank is in a bind when mayoral candidate Katherine Tucker (Mary Stuart Masterson) accuses him of secretly investigating her husband, and Eddie faces her estranged father when he winds up in the hospital.
603: All The News Thatã¢â¬â¢s Fit To Click
604: With Friends Like These
Erin's attempt to convict a slippery mob boss for an old murder is muddled when her former informant, Vincent (Dan Hedaya), leaves witness protection to provide his old boss with an alibi. Also, Frank finds himself in a departmental war with Commissioner of the New York City Fire Department, Stan Rourke (Dan Lauria).
606: Rush To Judgement
When Jamie is caught on camera committing what could be construed as police brutality at an anti-policy demonstration, Frank is forced to turn the case over to Internal Affairs. Also, Danny and Baez investigate a rape case involving a civil rights attorney who claims the charges were drummed up in retaliation for the investigation into Jaime.
607: The Bullitt Mustang
608: Unsung Heroes
When Danny and his family are threatened by Thomas Wilder (Louis Cancelmi), a serial killer Danny has been unable to apprehend, Linda's concern intensifies over her husband's job as well as the state of their marriage. Also, Jamie challenges his superior officer, Sgt. William Mulvey (A.J. Buckley), during a hostage situation.
609: Hold Outs
When a homicide case ends in a hung jury, Erin is forced to take over the case from her colleague, ADA Kelly Blake (Diane Neal), and with the help of DA investigator Anthony Abetemarco (Steve Schirripa), find a missing witness. Also, Jamie and Eddie go undercover as an elderly couple to catch a gang that is terrorizing a neighborhood.
610: Flags Of Our Fathers
611: Back In The Day
When Frank's first partner announces plans to publish a book filled with stories of their early days on the force, Frank worries about his personal stories being made public. Also, when Jamie and Eddie catch a call about a nearby officer needing assistance, the choices they each make will affect their future in the department and their relationship.
When a local mobster is gunned down in his car, Danny and Baez try to get information from the mob's low-level errand boy they find tied up in the trunk before the gang retaliates. Also, an NYPD officer asks for a new shield number to honor her late father, but Frank is conflicted as it's the same number as his deceased son, Joe's.
616: Help Me Help You
Linda asks Danny and Baez to help her co-worker who is having trouble with her angry ex-husband. Also, Erin must figure out how to handle her former mentor, a judge who has been handing down unfair sentences since the recent death of his wife; and Frank goes head-to-head with an outspoken City Council Speaker (Whoopi Goldberg) who publicly voices her disapproval of the NYPD's "broken windows policy.
617: Friends In Need
618: Town Without Pity
Frank and Danny work together to help Nick Constantine (Michael Nouri), a rehabilitated ex-con who Frank put away years ago, when Constantine becomes involved in the murder of an old enemy. Also, as Erin prepares for a murder trial, she learns the prosecutor who previously handled the case is withholding the location of the alleged killer so she can interview him on her popular podcast.
621: The Extra Mile
When a key eyewitness in a murder trial flees out of fear of retaliation, Erin and Anthony spearhead their own two-person manhunt to find him and convince him to testify. Also, Garrett tries to convince Frank to attend the Police Union party, and Danny and Baez take a closer look at a suspicious convenience store robbery
403: High Noon-ish