Laura's sister becomes a suspect in a murder investigation in Brooklyn, so Laura tries to stay one step ahead of the detective assigned to the case.

Efforts to down an international drug kingpin result in tragedy. Meanwhile, Jake makes a huge decision about his future with Laura.

When a former beauty queen is stabbed to death, Laura's ex-fiance becomes the prime suspect.

A young filmmaker is murdered, and an inexperienced detective causes problems with the investigation as Laura's team search for the killer.

As Jake lies in critical condition, Laura and the team hunt his shooter, an assailant armed with a high-tech new weapon.

When two convicted killers break out of a maximum security prison, Laura and team join the manhunt, but their loyalties are called into question, since one of the escapees is their former captain

When the wife of a national media baron is driven off the West Side Highway, Laura and her team soon discover not everything is as it seems and unravel a dark secret in a case long thought closed.

A perfume mogul is killed in a savage manner and the investigation yields no prime suspect. Laura and Jake are at odds when they try to define the current state of their relationship.

A beautiful Au Pair’s untimely death puts Laura and the team on the hunt for a murderer and into the middle of a female escort ring. Meanwhile, the precinct spirals into a frenzy when a new detective named Frankie Pulaski is sent from headquarters to investigate alleged indiscretions between Jake and Laura.

When a technology wunderkind is murdered in a seemingly impenetrable high-security building, Laura and team must unravel the puzzling murder before someone steals the victim's billion-dollar ideas.

Laura and Jake must protect a high-profile foreign dignitary who is dealing with death threats and protests.

The detectives probe the murder of an intern working at a trendy tech startup. Laura struggles to make time for intimacy with her new beau.

Valentine's Day takes a deadly turn when Laura thinks a long-dormant serial killer has re-emerged; secrets fly in the squad room.

An unidentified body is discovered in a bathroom and detectives try to determine who the victim is.

The detectives investigate when a woman suspects foul play after her husband, a fertility doctor, goes missing; the twins are accused of bullying at their Tae Kwon Do class.

The 2nd Precinct detectives enter New York's culinary world to take on a chilling case. But things start heating up for Laura when a potential suspect turns into a serious crush.

Laura helps investigate a sailor's murder, and she uses the case to avoid celebrating her birthday. Meanwhile, Billy must team up with a hard-nosed naval investigator.

When a boy is kidnapped from his TriBeCa family, Laura and team are thrust into a high-stakes race against time and must uncover a host of family secrets in order to save the boy.

While tracking a killer, Laura navigates two love triangles: her own and one that may have ended in murder.

A stunning development leaves Laura in mortal danger and makes it clear that the murder case of Michael Dunham is far from resolved. It's a race against the clock as Laura fights to save her own life and take down a killer.

Following a political sex scandal, Laura investigates the alleged mistress involved in it. Problems with surveillance emerge though, forcing detectives to enter the world of online gaming.

Religious motives are suspected in a couple's murder. Meanwhile, Laura and Jake look for a new nanny and encounter a familiar face in their search.

Laura and her team investigate arson and the death of a teenage boy. Jake and a former firefighting flame create sparks. Laura tries to put work aside and concentrate on the twins' Winter Carnival.

When a female impersonator is murdered, Laura and the team dive into the raucous New York City drag world. Meanwhile, Laura reconnects with an old friend, leading to a wild night out on the town.

A club patron's death is linked to jewelry heists, so the detectives must halt a thievery ring in order to solve a murder. Meanwhile, Jake breaks divorced-parent protocols, leading Laura to reexamine her involvement with Tony.