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Danny is targeted by a Mexican drug cartel after he seizes one of their shipments; Jamie sets off on his own to find a serial killer who targets the elderly.

When a doorman of a New York City club is murdered, Danny must revert to his old days in his investigation; Frank makes a decision about an ex-partner's future.

Danny and Jackie look into the murder of a high-end escort; After the remains of a missing boy's are found from an old case, Frank vows to close the case.

Handel's Water Music and Music for the Royal Fireworks preceded by the most celebrated movement of Marc- Antoine Charpentier's Te Deum.

What the stars eat when they indulge along with diet trends, the hottest health crazes and behind-the-scenes of culinary hotspots.

What the stars eat when they indulge along with diet trends, the hottest health crazes and behind-the-scenes of culinary hotspots.

Sergeant Grey considers retiring from the force; John Nolan's life is unexpectedly complicated when his mother makes a surprise visit.

Sergeant Grey helps Officer Jackson West find a solution after West's relationship with his new training officer begins to intensify.

A man takes Officer Nolan hostage; Officer Jackson's career is jeopardized by his interactions with his training officer, Officer Doug Stanton.

Officer Nolan realizes just how challenging it will be to return to school to become a training officer; Officer Chen helps Harper's former colleague.

The team copes with the complications of a true crime docuseries as they address a case involving a former child actor who is still in the spotlight.

While investigating a kidnapping case, Officer Nolan, Officer Harper and Detective Lopez closely investigate a long list of potential suspects.

The team responds to an Amber Alert after a newborn is stolen from the hospital; Officers Jackson and Chen complete their last shifts as rookies.

Officer Harper and Officer Nolan realize that a thief wants more than just money; Officer Jackson and Officer Chen ride without their training officers.

Officer Nolan decides to guard Professor Fiona Ryan's house overnight after she receives strange notes and has her car window smashed; Lucy is upset with Tim.

Nolan reunites with his ex-wife after he brings Henry to the hospital for treatment; Detective Lopez discovers that "La Fiera" is in the same hospital.

Officer Harper tries her best to prepare Officer Chen for an undercover mission; Nolan and Bradford try to de-escalate a drug war.

Officer Nolan tries to prevent officials from issuing an assault charge after he injures himself while pursuing a shoplifter; Lucy begins an undercover mission.

After Lopez is kidnapped on her wedding day, Officer Nolan works with the other members of the team as quickly as possible to save her and her unborn child.

Officers Nolan and Chen learn about a potentially big heist involving the Getty's upcoming gala event; Nolan wants to ask Bailey out on a date.

The son of a Russian gangster is killed at his engagement party, Danny must delve into the Russian mob; Erin is thrown into a high-profile corruption case.

An undercover counter-terrorism agent is shot, leaving Frank to put Danny on the case because of the victim's involvement with infiltratring a sleeper cell.

Danny and Jackie investigate the kidnapping of a young girl and place her drug-addicted boyfriend at the top of their list; Erin and her boss continue flirting.

An assassination attempt is made on Frank's life, and Danny sets out to track down the shooter and find out why the attack was made in the first place.