Tom Selleck stars as Frank Reagan, the New York Chief of Police. Frank's eldest son Danny is a seasoned detective, family man, and Iraqi War vet who on occasion uses dubious tactics to solve cases.

A good Samaritan with a police record takes action against a terrorizing subway criminal, forcing the Reagans to weigh the rights and wrongs of vigilantism.

Danny, Erin and Frank work together to seek justice when the main suspect in a rape case is protected by diplomatic immunity.

The entire NYPD is mobilized to find the killer of an off-duty police officer murdered during a diamond heist.

The Reagans argue the advantages and disadvantages of profiling; Danny, Frank and the rest of the NYPD search for a homemade bomb about to detonate in the city.

Danny tries to find the source of a deadly narcotic after three teenagers die from an overdose.

When Erin tries to take down a gang leader using his law-abiding brother as bait, the family debates her methods.

After meeting with federal agents in a dark edge of Chinatown, Jamie witnesses a crime in progress and his suspect is killed while in pursuit. Now, Danny must solve the case in order for Jamie to avoid an Internal Affairs investigation.

The life of a Reagan is put in danger when three dangerous criminals are released from prison.

Danny investigates when a doorman at a nightclub is murdered; Frank makes a decision about a former partner's future.

A high-end escort's body is found in the river; Frank vows to get justice in a 25-year-old case.

Danny must delve into the family politics of the Russian mob while investigating the death of a gangster's son; Erin becomes involved in a high-profile corruption case.

Danny investigates the shooting of an undercover counter-terrorism agent who was involved with infiltrating a sleeper cell.

When a girl is kidnapped, Jackie and Danny suspect her drug-addicted boyfriend is responsible; Erin's relationship with her boss takes a step forward.

When an assassination attempt is made on Frank's life, Danny goes on a hunt to track down the shooter and find out if the attack was random or by someone with a vendetta against the Commissioner.

When an unidentified young girl is found murdered at a debutante ball, Danny and Jackie look to the prostitute found giving her a hard time on the hotel's surveillance camera for clues. Meanwhile, Nicky gets a glimpse of her first murder victim as she rides along with Danny when he gets the call to investigate.

When a former U.S. Marine and war hero-turned-homeless man is found murdered, Danny, a former Marine himself, feels a personal connection and is determined to find the killer. Meanwhile, erroneous information about Frank running for mayor is leaked to the press.

Just before Danny is to give witness testimony at a Peruvian drug lord's murder trial, Linda is kidnapped. This drug lord has a history of intimidating witnesses.

Danny and Jackie investigate the cut-throat world of fashion after Linda's runway model niece and a reporter are poisoned at a fashion show.

Frank's frustrations rise when the media sensationalizes the murder of a tourist shot and killed outside a trendy Lower East Side restaurant.

Neighbors of the Reagans are murdered and their son becomes the prime suspect. Jamie is convinced he's being pursued by the Blue Templar when his gun goes missing.

In his attempt to expose the Blue Templar, Frank chooses to bypass Internal Affairs after a drug bust indicates dirty cops are involved.

A dangerous criminal from Danny's past comes back to seek revenge and kidnaps Jackie. Meanwhile, Jamie meets his new partner, while a young officer is shaken after he accidentally shoots an innocent man.

A woman recants a domestic-abuse claim, but Danny and Jackie continue to investigate the situation. Soon they uncover the woman's secret affair with a powerful politician who's friends with Frank. Meanwhile, Linda returns to the workforce, causing chaos at home.

Danny believes a serial killer is on the loose when two separate murder victims are identified as members of a group charged with a gang rape. Meanwhile, Erin’s ex-husband, attorney Jack Boyle, resurfaces in her life as they face off in court.

Danny and Jackie set out to investigate the murder of a bride on her wedding day in a drive-by gang shooting. However, they are pulled off the case and assigned to the protection detail of a Central American president, who they believe is a target for assassination. Meanwhile, Jamie questions his partner Vinny’s methods when he performs an unjustified stop.

Shortly after Frank awards a detective with the Medal of Valor for his undercover work for the NYPD in Malaysia, the detective is taken hostage by a Malaysian drug lord whose brother he helped put in prison. Meanwhile, Henry goes on a ride-along with Jamie and has a different method of getting the job done.

When Erin's key witness, an infamous photographer, is nearly killed in a hit and run, she arranges for Danny to work protection detail to safeguard him. Meanwhile, Jamie and Vinny bust a drug operation.

When a knife-wielding attacker dressed as Baron Samedi, the Spirit of Death, stabs a man in costume on Halloween, Danny enters the world of voodoo. Meanwhile, DCPI Garrett opens up to Frank about a dark secret, and Erin and Nicky take Jack and Sean trick-or-treating.

Danny arrives at a college campus to find a murdered student, who was thought to be dealing drugs. Meanwhile, Jamie has a life crisis when he reconnects with a former law school classmate and Erin must learn to give Nicky some freedom.

When Danny and Kate come up empty-handed with leads for a shooting, Linda helps make a break in the case when she overhears the victim telling his priest who is responsible. Meanwhile, Henry is mugged at an ATM, which sends Jamie into a rage as he tries to track down the assailant.

When two motorists driving gas-guzzling cars die at the hands of a sniper, Danny and Kate are put on the case of what the city believes is the work of a radical environmental serial killer. Meanwhile, a bicycle accident sends Danny’s son Sean to the hospital with a life-threatening injury.

Jamie must deal with the emotional consequences of his actions on the job. Meanwhile, Erin questions Mayor Poole on the witness stand.

Danny’s car matches an NYPD description of a car involved in a drug deal and taken into custody when a bag of cocaine is found in his trunk.

When a man with multiple rat bites is thrown from a moving car, Danny works the case to find out why and who was trying to send a message. Meanwhile, Frank must be diplomatic when dealing with a bigoted radio host who will be broadcasting from New York City.

Before a Hasidic Grand Rebbe passes away, he chooses his youngest son to succeed him. But when the new appointee dies suddenly, Danny investigates the oldest son and others within the Hasidic community. Meanwhile, Henry reveals a family secret to Frank.

When a 10-year-old boy is the victim of an incident in the projects, Danny’s heated approach to the case lands him in anger management class. Meanwhile, Frank navigates the politics of the State Department and the Turkish Government in order to help a young Turkish woman avoid persecution.

Erin and Danny investigate a cold case of a girl who was attacked by her rich and powerful boyfriend, who was never convicted. Meanwhile, Jamie’s friend brings a lawsuit against Danny’s friend after an injury at a pick-up basketball game.

When an off-duty cop tries to stop a bank robbery, he is disarmed by the "Bonnie and Clyde" robbers who take his gun and wound an innocent bystander. Meanwhile, Frank considers getting romantically involved with a woman from the ACLU who happens to be Erin's acquaintance.

When the same tragedy occurs to people who don’t appear connected, Danny must find what they have in common and who is responsible. Meanwhile, Frank helps an old friend come to terms with his alcoholism.

When a devoutly religious young woman is found murdered in a cemetery, Danny questions her family who is shocked to learn that she had a secret relationship.

When two Wall Street brokers are killed in drug deals, Danny looks to question a wounded accomplice at the hospital but he is stopped by Linda, who won’t let Danny see him until after surgery. But when the accomplice dies during the procedure, Danny and Linda battle over the judgment call.

When Danny finds a disoriented man in a park covered in his girlfriend’s blood, he finds it hard to believe that the man has no recollection of the night’s events until they find a strong narcotic in his bloodstream. Meanwhile, Jamie gets into trouble when he helps an off-duty officer cover up his intoxication after he apprehended an armed robber.

Danny blames himself when a young woman commits suicide because he had made a promise to her in the wake of her parents' deaths. Meanwhile, violence involving a gang at a housing project erupts and affects the Reagans.

As the Reagans rally together to take down the leader of the gang responsible for the murder of someone close to them, Danny looks to the gang leader’s girlfriend to lead them to him. Meanwhile, Frank is left reeling from a second loss.

When an armed robbery ends with the death of a police officer, Frank makes it a mission for the NYPD to bring the suspect to justice. However, tensions run high in the Reagan household when Erin drops the charges and releases the suspect due to lack of evidence.

When a famous movie star, Russell Berke, who shadowed Danny for research on his next role, is stabbed, Danny goes to his aid, but must keep the crime on the down-low due to Russell's celebrity status.

Danny becomes the lead hostage negotiator when a prime informant in a large drug case holds Erin at gunpoint inside the courtroom.

A teen girl dies after she is seemingly pushed in front of a subway car by a homeless man; Frank is irritated by having to meet with the new inspector general (Bebe Neuwirth).

When Danny and Baez suspect a little girl might be the victim of a kidnapping, the girl’s mother denies it, but her story doesn’t add up. Meanwhile, Frank pays a visit to a priest, a counselor to the NYPD, who was arrested on a DUI charge.

Jamie's conduct is questioned when a suspect he was pursuing is fatally injured; Baez goes under cover to investigate a drug dealer -- the fiance of Danny's ex-girlfriend (Charisma Carpenter).

When an officer is accused of using excessive force on a suspect, Frank finds his department under scrutiny from the community and the mayor. Meanwhile, Danny and Baez investigate the murder of a Wall Street securities trader who was deep in debt due to a gambling addition.

Frank is put in danger when his dinner companion, mob lawyer Angelo Gallo, is shot; Danny is a juror in a murder trial.

Danny and Baez investigate a homicide in which Baez’s estranged brother, a former drug addict, is the lead suspect. Meanwhile, Frank learns one of his most highly decorated officers, a German Shepherd in the K9 unit, is being accused of police brutality, and Henry investigates the widow of a former NYPD pal who might have had a hand in her husband’s death.

Danny and Baez investigate a local bombing, but meet with tension and resistance from the community during the investigation. Meanwhile, Frank must deal with the political fallout when a man punches an officer who was overly aggressive in his questioning.

Danny’s loyalty is tested when he is assigned to the case of a childhood friend, Mickey, who is under investigation for having ties to an infamous mob family. Meanwhile, Frank gets word that crime is on the rise due to a recent judicial ruling about the legality of the “stop and frisk” policy.

Danny is after the distributor of a deadly new street drug.

Danny and Baez search for a Marine veteran who may have PTSD; a woman seeking justice for her murdered daughter catches Frank off-guard during a press conference.

A popular drag queen and reality-TV star is found dead in a park; the mother of an accused man abducts Erin.

A kidnapping investigation brings back bad memories for Danny, who worked a similar case years ago; Frank and Inspector General Peterson butt heads.

When Danny takes a call from a woman who is threatening to kill herself along with the man who killed her parents in a drunk driving accident, he rushes to find her. Meanwhile, Frank accompanies his grandson, Sean, on a class field trip and struggles to get the lead chaperone to loosen the reigns so the kids can have fun.

Danny and Baez search for teenager who have been randomly punching unsuspecting people in the head, including a pregnant woman; Frank worries that promoting an officer will be viewed as favoritism.

A woman dies after undergoing a secret plastic surgery, so Danny and Baez try to figure out what happened. Elsewhere, Frank asks Jamie to solve a cold case; and Erin explores the world of speed dating.

A college professor involved with a questionable scholarship program is murdered; Danny is investigated for ethical and procedural violations.

Erin investigates a case involving a police officer accused of killing a suspect in custody; Jamie encourages Eddie to forgive her father.

After a detective from Danny's precinct is killed while working undercover, Frank goes above and beyond to find the killer only to discover that the victim held a big secret; Jamie and Eddie help Nicky track down a homeless former classmate.

Danny uncovers shocking information while investigating a case against orders.

Danny tries tracking down the drug cartel who's attacked a convoy of drugs been transported to be incinerated. Baez is left injured. Frank treads carefully.

Jamie stands up for a fellow officer, ostracized for testifying against their partner. Frank is given a difficult request by Boomer.

Eddie and James attempt to steal a collar from a pompous detective. An officer is outed and his partner refuses to ride with him. Danny and Baez are asked to work with new partners. Elsewhere Frank speaks out about equality on the force.

Frank is put in a difficult position when Danny is charged with using excessive force. Jamie brings homeless man to the hospital.

Jamie has become a target after intervening in an abusive relationship. Elsewhere an illegal recording of Henry making insensitive comments is leaked.

Frank and Danny become determined to make sure that an international felon who always manages to walk away from murder charges ends up behind bars. Erin thinks about going into private practice after she looks into college costs for Nicky. Danny clashes with his new boss.

An interview goes badly for Frank after he ends up being blindsided by the interim district attorney. Danny and his new boss deal with a drive-by shooting.

Frank is faced with a public backlash after a police officers body camera malfunctions during an altercation.

The murder of three prominent community leaders seem to be hate crimes.

Frank pushes to find evidence against a suspected cop killer who shot one of Henry’s fellow officers years ago. Meanwhile, Danny and Baez investigate a string of murders involving adult film stars.

Danny is conflicted when he learns that a group of highly trained Army veterans are responsible for a robbery. Meanwhile, after a bomb scare in a subway turns out to be the work of a famous street artist, Garrett and Gormley argue about how to deal with the fallout.

Jamie gets Danny involved when he finds a homeless teen who claims his aunt was killed by her boyfriend. Meanwhile, Erin is angered when McCoy replaces her as the prosecutor on a case involving a corrections officer.

Danny and Baez investigate when a homeowner shoots an intruder, only to find out that, the intruder is a hit man. Also, a young attorney attempts to bring justice to his mother who Erin put away on a murder charge 12 years ago

Danny and Baez investigate a murder of a lower income resident in a luxury building where 20 percent of the units are made affordable for lower income housing. Also, Frank takes issue with a detective friend of Gormley’s who takes advantage of his position with legal loopholes.

When a star witness in a double murder case drops out, Erin is tasked with bringing a protected mob informant back to New York for a case and keeping him safe, with help from Danny and Baez. Also, Frank enters into tense negotiations with Mayor Poole about police officer benefits.

When an emotionally distraught man holds Baez hostage at gunpoint in an interrogation room after she served him with a restraining order, Danny must try to meet his demands before he harms Frank is faced with a personal and moral dilemma when Garrett asks for help in dropping charges filed against his son.

Erin is rattled when an unknown assailant breaks into her apartment and also attacks her co-worker. Meanwhile, Jamie and Eddie discover a pipe bomb in an elderly woman’s apartment, and Frank looks into a charity that is soliciting money for the NYPD.

Eddie goes on her first undercover operation to investigate a kidnapping ring targeting young women via fake youth hostel websites. Meanwhile, Frank helps a woman he knows from early in his career meet the inmate who killed her family.

Frank goes toe to toe with an investigative journalist who refuses to give up her source, despite the source admitting to committing murder. Also, Danny is paired with a troubled teenager as part of an NYPD program aimed at influencing youth to make better decisions.

When a suspect voluntarily admits to killing a reality show celebrity chef in his own restaurant, Danny and Baez are convinced the suspect is taking the fall for someone. Also, Frank faces a moral dilemma when a longtime friend, Sen. Ted McCreary, asks for Frank’s help to make a DUI go away, and investigative journalist Anne Farrell returns.

When NYPD Deputy Chief Donald Kent, a commanding officer of the gang division, and his wife are gunned down in an apparent gang hit, Frank orders all hands on deck to catch his friend’s killer. Working the case, Danny and Baez go see Mario Hunt, a well-known member of a deadly gang, in the first of a two-part season finale.

When a member of the Reagan clan is shot, Danny’s tries to track down the gang member responsible, without letting his emotions get the best of him. Also, he must get creative in order to bring in witnesses.