Original air date: 09/29/2017 Runtime: 42:02 min. Danny contemplates retiring until Erin enlists him to help her with a case involving her ex-husband, Jack (Peter Hermann). Also, Jamie and Eddie go undercover as a couple, and Frank butts heads with the new mayor of New York City, Margaret Dutton (Lorraine Bracco).
Original air date: 10/06/2017 Runtime: 42:42 min. Frank receives an order from the mayor to attend a parade honoring a man who served time for conspiring in an attack against the police. Also, Danny investigates the return of a teen Selena Moore (Caroline Pluta), who suspiciously disappeared 13 years ago, and Jamie and Eddie try to help a young woman they believe is being exploited by Congressman Walters (Richard Thomas).
Original air date: 10/13/2017 Runtime: 40:17 min. Erin's trial against notorious human trafficker Chao Lin (Tia Carrera) is jeopardized when the presiding judge is found dead, causing Danny and Baez to investigate foul play. Also, Mayor Dutton (Lorraine Bracco) opposes Frank's public safety initiative, but City Council Speaker Regina Thomas (Whoopi Goldberg) devises a plan to help Frank bypass the Mayor's veto.
Original air date: 10/20/2017 Runtime: 40:31 min. Danny and Baez work the case of a detective who was gunned down prior to testifying against a career criminal. Also, Frank personally investigates when Garrett is attacked by a SWAT team outside his home, and Erin brings in a confidential informant against Anthony's wishes.
Original air date: 10/27/2017 Runtime: 40:43 min. Danny and Baez investigate the murder of a single mother whose ex-husband has a history of violence. Also, Frank deals with the fallout when Mayor Dutton (Lorraine Bracco) eliminates solitary confinement in prisons, and Jamie's efforts to save a young woman who overdosed on drugs has unexpected consequences.
Original air date: 11/03/2017 Runtime: 42:23 min. When a famous basketball player is found dead of an apparent drug overdose, Danny looks into his possible ties to a local drug gang. Also, Erin revisits the case of a man she may have wrongfully convicted years ago, and Frank is approached by Archbishop Kearns (Stacy Keach) regarding an eviction matter Jamie and Eddie are working on.
Original air date: 11/10/2017 Runtime: 43:11 min. A case turns personal for Danny when he works to protect a nurse, Faith Madson (Jessie Mueller), from her violent ex-boyfriend. Also, Shelly Wayne (Cassandra Freeman), an acquaintance of Frank's, comes to him with a theory regarding the death of an inmate, and Jamie and Eddie help deliver a baby.
Original air date: 11/17/2017 Runtime: 41:12 min. Eddie's judgment is clouded by her past when she arrests a loathed acquaintance from college on questionable charges. Also, Frank is hesitant to mar the spotless record of a member of the force, a decorated U.S. military veteran, who tested positive for marijuana.
Original air date: 12/01/2017 Runtime: 42:12 min. As Danny and Baez join a narcotics task force to track down a drug supplier, Baez comes into contact with drugs and is soon fighting for her life from an accidental overdose. Also, Jamie and Eddie work to protect a rehabilitated sex offender whose neighbors are angry he lives in their apartment building, and Frank forms an unlikely alliance with Mayor Dutton.
Original air date: 12/08/2017 Runtime: 41:28 min. Erin is conflicted when Jamie and Eddie ask her to help drop old charges against a man, Parker Mack, who just bravely rescued a woman from a local hostage situation. Also, Danny and Baez work a case involving car thieves and discover the leader is Victor Lugo, a mobster they've dealt with before, and Baker receives a job offer.
Original air date: 01/05/2018 Runtime: 40:17 min. When a journalist disappears while working on an exposé about an innocent man serving time for murder, Danny and Baez hope that reexamining the original case will help find her. Also, Frank reluctantly speaks out against an initiative led by Erin's office to consider drug abuse as a disease first.
Original air date: 01/12/2018 Runtime: 43:23 min. After Anthony is shot while interviewing a witness for an upcoming murder trial, Erin enlists Anthony's archenemy, Danny, to find out who was responsible. Also, Jamie and Eddie get in the middle of a standoff between a police lieutenant and a developmentally disabled man posing as an officer, and Nicky prepares to take the police exam.
Original air date: 01/19/2018 Runtime: 41:01 min. When Henry is the key witness on Danny and Baez’s case, his meddling pushes Danny’s buttons until he leads them to valuable information. Also, Nicky shocks her family by siding with her activist friend, Chrissie (Naian González Norvind), who defaced the NYPD flag at One Police Plaza, and Jamie and Eddie learn a parole officer is taking advantage of his power over parolees.
Original air date: 02/02/2018 Runtime: 40:28 min. When a student is shot by a rival gang member in his high school courtyard, Danny and Baez try to get a grasp on the situation to prevent a reoccurrence, but the principal, Darryl Ward (Ernie Hudson), recklessly takes matters into his own hands. Also, Erin tries to help her friend, Mickey (Raphael Sbarge), who is mixed up in an illegal gambling ring, and Governor Mendez (David Zayas) tries to frame Frank after one of his top legislative aides is shot by an NYPD officer.
Original air date: 03/02/2018 Runtime: 41:50 min. Danny considers taking a new job that would ease his financial struggles after investigating the death of a wealthy man. Also, Nicky tries to avoid involving her family when she is sexually harassed by her boss (Sean Kleier) at her new internship, and Garrett advises Frank to regain the public’s trust after a rookie cop is caught on video questioning a pedestrian’s immigration status. Sean Kleier guest stars as Nicky’s boss, Bobby Jones.
Original air date: 03/09/2018 Runtime: 40:21 min. Danny and Baez investigate the murder of a man who was living a double life with two separate families, and Anthony tries to resist when Erin asks him to help investigate his old partner, whom she suspects of stealing drug money. Also, Frank deliberates between two candidates for the chief of transit position.